Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 95, NWS Norman, OK

April 15, 2013Clay County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 15, 2013, 6:09 PM CDT for Clay County, Texas. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 15, 2013, 6:09 PM CDT (23:09 UTC)
Expired
Apr 15, 2013, 7:00 PM CDT
In force
51 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

County Clay County, TX

The radar

The Altus AFB radar (KFDR), 95 km from the middle of the area, began a volume at 23:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 15, 3:41 PM CDTTornado WatchSPC6 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 3:41 PM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, Apr 15, 3:41 PM CDT, 2 hours 28 minutes before
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Hazardous weather outlook, Apr 15, 5:40 PM CDT, 29 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
540 PM CDT MON APR 15 2013

OKZ004>048-050>052-TXZ083>090-161100-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
540 PM CDT MON APR 15 2013

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT...

THUNDERSTORM OUTLOOK...THERE IS A SLIGHT RISK OF SEVERE STORMS THSI
EVENING FROM PARTS OF WESTERN NORTH TEXAS INTO SOUTH CENTRAL AND
SOUTHEAST OKLAHOMA. THE SLIGHT RISK IS GENERALLY SOUTHEAST OF A LINE
FROM NEAR SHAWNEE TO WAURIKA TO HENRIETTA TEXAS.

DISCUSSION... SCATTERED THUNDERSTORMS WILL BE POSSIBLE IN THE
VICINITY OF A NEARLY STATIONARY FRONT EXTENDING FROM NORTH TEXAS
INTO SOUTH CENTRAL AND SOUTHEAST OKLAHOMA. INSTABILITY AND WIND
SHEAR WILL BE SUFFICIENT FOR SEVERE STORMS. HAIL TO THE SIZE OF
TENNIS BALLS AND WIND GUSTS TO 70 MPH WILL BE THE MAIN THREATS.
TORNADOES WILL ALSO BE POSSIBLE WITH THE STRONGEST STORMS.

A FEW STORMS MAY ALSO DEVELOP LATER TONIGHT INTO TUESDAY MORNING BEHIND
THE FRONT ACROSS PARTS OF NORTH CENTRAL AND CENTRAL OKLAHOMA. THE MAIN
CONCERN WITH THESE STORMS WOULD BE CLOUD TO GROUND LIGHTNING AND BRIEF
HEAVY DOWNPOURS.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT TUESDAY APR 16.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...60 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK FOR SEVERE STORMS ON TUESDAY ACROSS PARTS OF
OKLAHOMA AND WESTERN NORTH TEXAS. HOWEVER... A STRONG CAP WILL LIMIT
THE POSSIBILITY OF THUNDERSTORM DEVELOPMENT AGAIN TUESDAY AFTERNOON
AND EVENING ACROSS PARTS OF SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS.
IF STORMS DO DEVELOP... SOME OF THEM COULD BECOME SEVERE PRODUCING LARGE
HAIL AND STRONG WIND GUSTS. THE BETTER CHANCE FOR ANY SEVERE STORMS ON
TUESDAY WILL BE TUESDAY NIGHT. ELEVATED STORMS COULD DEVELOP ACROSS
PARTS OF THE AREA. IF THIS OCCURS... A FEW OF THESE STORMS COULD BECOME
SEVERE PRODUCING LARGE HAIL.

THE BEST CHANCE FOR SCATTERED TO NUMEROUS STORMS WILL BE WEDNESDAY AS A
STRONG STORM SYSTEM AND FRONTAL BOUNDARIES IMPACT THE REGION. SEVERE
WEATHER WILL BE POSSIBLE WITH A MODERATE RISK INCLUDING PARTS OF NORTH
CENTRAL... CENTRAL... AND SOUTHERN OKLAHOMA. THERE STILL REMAINS A NUMBER
OF UNCERTAINTIES AS TO THE EVOLUTION OF THE WEATHER PATTERN WEDNESDAY
WHICH WOULD INFLUENCE THE EXTENT OF SEVERE WEATHER WEDNESDAY BUT LARGE
HAIL AND DAMAGING WINDS WOULD BE THE MAIN HAZARDS. HOWEVER... A FEW
TORNADOES COULD ALSO BE POSSIBLE IF CONDITIONS DEVELOP CORRECTLY.

THUNDERSTORMS COULD LINGER ACROSS PARTS OF SOUTH CENTRAL... SOUTHEAST...
AND CENTRAL OKLAHOMA THURSDAY MORNING.

OTHER HAZARDOUS WEATHER...
LOCALLY HEAVY RAIN AND LOCALIZED FLOODING MAY BECOME AN ISSUE TUESDAY
NIGHT INTO THURSDAY MORNING.

WINTER PRECIPITATION WILL ALSO BE POSSIBLE WEDNESDAY NIGHT ACROSS PARTS
OF NORTHERN... WESTERN... AND CENTRAL OKLAHOMA... AND WESTERN NORTH TEXAS.
SIGNIFICANT IMPACTS ARE NOT EXPECTED AT THIS TIME BUT THE FORECAST IS
HIGHLY DEPENDENT ON THE TIMING OF THE COLD FRONT... WHICH REMAINS HIGHLY
UNCERTAIN.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM
TUESDAY.

MAXWELL/30/II

In the hours before

Special weather statement, Apr 15, 4:36 PM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
436 PM CDT MON APR 15 2013

TXZ090-152200-
CLAY TX-
436 PM CDT MON APR 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CLAY COUNTY UNTIL
500 PM CDT...

AT 433 PM CDT...A STRONG TO SEVERE THUNDERSTORM WAS LOCATED 12 MILES
WEST SOUTHWEST OF NEWPORT...MOVING NORTHEAST AT 30 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
POTENTIALLY SEVERE WINDS GUSTING OVER 55 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE SITUATION CLOSELY. BE READY TO ACT QUICKLY IF A WARNING
IS ISSUED OR IF STORMS THREATEN YOU.

&&

LAT...LON 3374 9822 3375 9821 3373 9812 3370 9798
      3347 9798 3347 9833
TIME...MOT...LOC 2133Z 214DEG 26KT 3343 9822

30
Special weather statement, Apr 15, 5:03 PM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
503 PM CDT MON APR 15 2013

TXZ090-152230-
CLAY TX-
503 PM CDT MON APR 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CLAY COUNTY UNTIL
530 PM CDT...

AT 502 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES WEST OF
NEWPORT...MOVING NORTHEAST AT 30 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS TO 50 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3373 9820 3371 9798 3348 9798 3347 9798
      3347 9824 3348 9824
TIME...MOT...LOC 2202Z 222DEG 27KT 3348 9811

30
Special weather statement, Apr 15, 5:51 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
551 PM CDT MON APR 15 2013

TXZ090-152315-
CLAY TX-
551 PM CDT MON APR 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CLAY COUNTY UNTIL
615 PM CDT...

AT 548 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR NEWPORT...
MOVING NORTHEAST AT 25 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
POTENTIALLY SEVERE WINDS GUSTING OVER 55 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3373 9804 3368 9798 3347 9798 3347 9824
      3348 9824
TIME...MOT...LOC 2248Z 234DEG 20KT 3345 9808

30

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 14, 7:10 PM CDTSpecial Weather StatementOUNPayne35 min
Apr 14, 7:21 PM CDTSpecial Weather StatementOUNPayne24 min
Apr 14, 7:50 PM CDTSpecial Weather StatementOUNPayne25 min
Apr 14, 8:08 PM CDTSpecial Weather StatementOUNLincoln22 min
Apr 15, 6:11 PM CDTSpecial Weather StatementOUNPottawatomie34 min
Apr 15, 6:32 PM CDTSpecial Weather StatementOUNPottawatomie28 min
Apr 15, 4:36 PM CDTSpecial Weather StatementOUNClay24 min
Apr 15, 5:03 PM CDTSpecial Weather StatementOUNClay27 min
Apr 15, 5:51 PM CDTSpecial Weather StatementOUNClay24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.