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LU9DCE > ALERT 30.06.23 08:11l 405 Lines 11676 Bytes #48 (0) @ WW
BID : 3279_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 30-JUN23
Path: IW8PGT<I3XTY<I0OJJ<GB7CIP<VE3KPG<VE3UIL<LU9DCE
Sent: 230630/0600Z 3279@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.23
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PACKET RADIO STATION - BUENOS AIRES (GF05OM)
PHP SCHEDULED NEWSLETTERS (PSN)
COPYRIGHT 2023 - EDUARDO A. CASTILLO
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SPC SEVERE THUNDERSTORM WATCH 421
WW 421 SEVERE TSTM NE 300025Z - 300700Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 421
NWS STORM PREDICTION CENTER NORMAN OK
625 PM MDT THU JUN 29 2023
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WEST CENTRAL NEBRASKA
* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 625 PM
UNTIL 100 AM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH POSSIBLE
SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
SUMMARY...A LINE OF THUNDERSTORMS OVER WESTERN NEBRASKA WILL TRACK
EASTWARD THROUGH THE EVENING, POSING A RISK OF LOCALLY DAMAGING WIND
GUSTS AND HAIL.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST
OF VALENTINE NE TO 25 MILES WEST OF NORTH PLATTE NE. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 419...WW 420...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27030.
...HART
READ MORE
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SPC SEVERE THUNDERSTORM WATCH 421 STATUS REPORTS
WW 0421 STATUS UPDATES
STATUS REPORT ON WW 421
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW AIA
TO 20 SW MHN TO 25 NW VTN.
..SQUITIERI..06/30/23
ATTN...WFO...LBF...
STATUS REPORT FOR WS 421
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC005-009-017-031-041-049-069-091-101-103-111-113-115-117-149-
171-300440-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BLAINE BROWN
CHERRY CUSTER DEUEL
GARDEN HOOKER KEITH
KEYA PAHA LINCOLN LOGAN
LOUP MCPHERSON ROCK
THOMAS
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
READ MORE
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SPC SEVERE THUNDERSTORM WATCH 420 STATUS REPORTS
WW 0420 STATUS UPDATES
STATUS REPORT ON WW 420
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNW EVV
TO 35 ESE OWB TO 30 N BWG TO 45 N CSV.
..THORNTON..06/29/23
ATTN...WFO...PAH...LMK...ILN...
STATUS REPORT FOR WS 420
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC059-069-151-165-199-300040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
GALLATIN HARDIN POPE
SALINE WILLIAMSON
KYC003-009-031-033-047-055-057-061-107-139-141-143-149-171-177-
183-213-219-221-225-227-233-300040-
KY
. KENTUCKY COUNTIES INCLUDED ARE
ALLEN BARREN BUTLER
CALDWELL CHRISTIAN CRITTENDEN
CUMBERLAND EDMONSON HOPKINS
LIVINGSTON LOGAN LYON
MCLEAN MONROE MUHLENBERG
OHIO SIMPSON TODD
TRIGG UNION WARREN
WEBSTER
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SPC TORNADO WATCH 419 STATUS REPORTS
WW 0419 STATUS UPDATES
STATUS REPORT ON WW 419
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 SW DGW TO
30 WSW TOR TO 5 S AIA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1349
..SQUITIERI..06/30/23
ATTN...WFO...BOU...CYS...
STATUS REPORT FOR WT 419
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-013-014-031-035-039-059-069-075-087-121-123-300240-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE BOULDER
BROOMFIELD DENVER DOUGLAS
ELBERT JEFFERSON LARIMER
LOGAN MORGAN WASHINGTON
WELD
NEC007-033-105-123-157-300240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF
WYC001-015-021-031-300240-
READ MORE
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SPC SEVERE THUNDERSTORM WATCH 418 STATUS REPORTS
WW 0418 STATUS UPDATES
STATUS REPORT ON WW 418
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WNW MSL
TO 15 W HSV TO 30 SSW HSV.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1344
..THORNTON..06/29/23
ATTN...WFO...HUN...
STATUS REPORT FOR WS 418
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-059-079-292340-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT FRANKLIN LAWRENCE
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
READ MORE
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SPC SEVERE THUNDERSTORM WATCH 417 STATUS REPORTS
WW 0417 STATUS UPDATES
STATUS REPORT ON WW 417
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ENE MVN
TO 10 NNE EVV TO 10 SSE EVV.
..THORNTON..06/29/23
ATTN...WFO...PAH...IND...IWX...LMK...
STATUS REPORT FOR WS 417
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC055-065-081-191-193-300040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
FRANKLIN HAMILTON JEFFERSON
WAYNE WHITE
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
READ MORE
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SPC - NO MDS ARE IN EFFECT AS OF FRI JUN 30 03:30:14 UTC 2023
NO MESOSCALE DISCUSSIONS ARE IN EFFECT AS OF FRI JUN 30 03:30:14 UTC 2023.
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SPC CENTER PUBLIC SEVERE WEATHER OUTLOOK (PWO)
PUBLIC SEVERE WEATHER OUTLOOK
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1204 PM CDT THU JUN 29 2023
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE MIDWEST THIS
AFTERNOON AND TONIGHT...
* LOCATIONS...
CENTRAL AND EASTERN ILLINOIS
WESTERN AND SOUTHERN INDIANA
* HAZARDS...
WIDESPREAD DAMAGING WINDS, SOME HURRICANE FORCE
A COUPLE OF TORNADOES
SCATTERED LARGE HAIL, SOME BASEBALL SIZE
* SUMMARY...
SWATHS OF DAMAGING WINDS OF 60-80 MPH, LARGE HAIL, AND A COUPLE
OF TORNADOES ARE EXPECTED THIS AFTERNOON ACROSS ILLINOIS AND
WESTERN/SOUTHERN INDIANA. OTHER SEVERE STORMS WITH LARGE HAIL
AND DAMAGING WINDS GUSTS ARE EXPECTED ACROSS THE TENNESSEE
VALLEY, AS WELL AS THE CENTRAL HIGH PLAINS.
PREPAREDNESS ACTIONS...
REVIEW YOUR SEVERE WEATHER SAFETY PROCEDURES FOR THE POSSIBILITY
OF DANGEROUS WEATHER TODAY. STAY TUNED TO NOAA WEATHER RADIO,
WEATHER.GOV, OR OTHER MEDIA FOR WATCHES AND WARNINGS. A WATCH
MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS
OVER THE NEXT SEVERAL HOURS. IF A SEVERE THUNDERSTORM WARNING IS
ISSUED FOR YOUR AREA, MOVE TO A PLACE OF SAFETY, IDEALLY IN AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING.
&&
..GUYER.. 06/29/2023
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SPC JUN 30, 2023 0100 UTC DAY 1 CONVECTIVE OUTLOOK
SPC 0100Z DAY 1 OUTLOOK
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT THU JUN 29 2023
VALID 300100Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM EASTERN
CO/SOUTHEAST WY INTO PARTS OF NE AND WESTERN/NORTHERN KS...
...SUMMARY...
STORMS CAPABLE OF PRODUCING LARGE HAIL AND LOCALIZED SEVERE GUSTS
REMAIN POSSIBLE THIS EVENING FROM SOUTHEAST WYOMING AND THE COLORADO
FRONT RANGE INTO PARTS OF THE CENTRAL HIGH PLAINS. SOME THREAT FOR
SEVERE GUSTS AND ISOLATED HAIL MAY SPREAD EASTWARD ACROSS SOUTHERN
NEBRASKA AND NORTHERN KANSAS OVERNIGHT.
...FRONT RANGE AND SOUTHEAST WY INTO THE CENTRAL PLAINS...
A FEW SUPERCELLS REMAIN POSSIBLE THIS EVENING FROM THE FRONT RANGE
AREA AND SOUTHEAST WY INTO THE CENTRAL HIGH PLAINS, WITHIN A
FAVORABLY MOIST AND UNSTABLE POST-FRONTAL REGIME. MLCAPE IN EXCESS
OF 1500 J/KG AND EFFECTIVE SHEAR OF 40+ KT WILL SUPPORT A THREAT OF
HAIL (POSSIBLY VERY LARGE) WITH THE STRONGEST CELLS, AND A TORNADO
OR TWO WILL ALSO BE POSSIBLE. SEE MCD 1347 AND 1349 FOR MORE
INFORMATION REGARDING THE SHORT-TERM THREAT.
FARTHER EAST, ELEVATED BUOYANCY INTO PARTS OF SOUTHERN NE AND
NORTHERN KS WILL BE WEAKER COMPARED TO LAST NIGHT, IN THE WAKE OF
EXTENSIVE CONVECTION EARLY THIS MORNING. HOWEVER, MUCAPE OF 1500
J/KG AND EFFECTIVE SHEAR OF 30-40 KT WILL STILL BE SUFFICIENT TO
SUPPORT ORGANIZED CONVECTION OVERNIGHT. SOME UPSCALE GROWTH THIS
EVENING ACROSS THE CENTRAL HIGH PLAINS MAY RESULT IN EASTWARD-MOVING
CLUSTERS OVERNIGHT THAT WOULD POTENTIALLY TRACK ACROSS
SOUTHERN/CENTRAL NE INTO NORTHERN KS, NORTH OF THE PRIMARY SURFACE
BOUNDARY. THIS COULD RESULT IN A THREAT FOR AT LEAST ISOLATED SEVERE
GUSTS AND HAIL OVERNIGHT, POTENTIALLY SPREADING AS FAR AS NORTHEAST
MO AND SOUTHWEST IA PRIOR TO THE END OF THE PERIOD.
...PARTS OF THE OH VALLEY INTO TN/AL/MS...
A SMALL CLUSTER OF ELEVATED STORMS IS ONGOING FROM SOUTHEAST IL INTO
SOUTHWEST IN, WELL TO THE COOL SIDE OF THE COMPOSITE OUTFLOW FROM
EARLIER CONVECTION. ELEVATED BUOYANCY AND EFFECTIVE SHEAR REMAIN
FAVORABLE FOR ORGANIZED CONVECTION, AND THIS CLUSTER MAY CONTINUE TO
POSE A THREAT OF ISOLATED HAIL AND PERHAPS SOME STRONG WIND GUSTS
INTO MID EVENING. SEE MCD 1348 FOR MORE INFORMATION REGARDING THE
SHORT-TERM THREAT IN THIS AREA.
A WEST-SOUTHWESTERLY LOW-LEVEL JET WILL MAINTAIN A WARM-ADVECTION
REGIME TO THE EAST OF THE NORTH-SOUTH ORIENTED SURFACE BOUNDARY THIS
EVENING INTO THE OVERNIGHT. THERE IS SOME POTENTIAL FOR THE ONGOING
SOUTHERN IL/IN CLUSTER TO PERSIST AND PROPAGATE SOUTHWARD ALONG THE
INSTABILITY AXIS, WITH A CONTINUED THREAT FOR AT LEAST ISOLATED HAIL
AND LOCALIZED DAMAGING GUSTS. EVEN IF THIS CLUSTER WEAKENS,
ADDITIONAL DEVELOPMENT REMAINS POSSIBLE LATE TONIGHT, WITH SOME
ISOLATED SEVERE THREAT POTENTIALLY DEVELOPING INTO A LARGER PORTION
OF KY/TN, AS STRONGER MUCAPE SPREADS EASTWARD OVERNIGHT.
..DEAN.. 06/30/2023
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