Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 295, NWS Norman, OK

October 6, 2014Carter County, Jefferson County, Love County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Oct 6, 2014, 6:00 AM CDT for Carter County, Jefferson County, Love County, Oklahoma. It was in force for 20 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
Oct 6, 2014, 6:00 AM CDT (11:00 UTC)
Expired
Oct 6, 2014, 6:20 AM CDT
In force
20 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carter County, OK, Jefferson County, OK, Love County, OK

The radar

The Norman radar (KTLX), 138 km from the middle of the area, began a volume at 11:01 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 11.0 hours before the alert went out and 124 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2014-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 321 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2014-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
321 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
2072 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

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 Oct 6, 5:50 AM CDT, 10 minutes earlier.

Area forecast discussion, Oct 6, 5:50 AM CDT, 10 minutes before
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Hazardous weather outlook, Oct 6, 4:43 AM CDT, 1 hour 17 minutes before
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In the hours before

Special weather statement, Oct 6, 3:23 AM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
323 AM CDT MON OCT 6 2014

OKZ028-040-060900-
MCCLAIN OK-GARVIN OK-
323 AM CDT MON OCT 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MCCLAIN AND
NORTHWESTERN GARVIN COUNTIES UNTIL 400 AM CDT...

AT 321 AM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR CRINER...
MOVING SOUTHEAST AT 30 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS TO 40 MPH...

LAT...LON 3495 9767 3496 9767 3503 9748 3477 9725
      3468 9758
TIME...MOT...LOC 0821Z 335DEG 25KT 3493 9755
Special weather statement, Oct 6, 4:09 AM CDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
409 AM CDT MON OCT 6 2014

OKZ039>041-046-060945-
GARVIN OK-MURRAY OK-STEPHENS OK-CARTER OK-
409 AM CDT MON OCT 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GARVIN...WEST
CENTRAL MURRAY...NORTHEASTERN STEPHENS AND NORTHWESTERN CARTER
COUNTIES UNTIL 445 AM CDT...

AT 405 AM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR FOSTER...
MOVING SOUTH AT 30 MPH.

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

LAT...LON 3468 9763 3472 9742 3444 9729 3443 9761
TIME...MOT...LOC 0905Z 346DEG 28KT 3463 9750
Special weather statement, Oct 6, 4:17 AM CDT, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
417 AM CDT MON OCT 6 2014

OKZ027-028-040-060945-
MCCLAIN OK-GRADY OK-GARVIN OK-
417 AM CDT MON OCT 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MCCLAIN...
SOUTHEASTERN GRADY AND NORTHWESTERN GARVIN COUNTIES UNTIL 445 AM
CDT...

AT 414 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF DIBBLE...MOVING SOUTHEAST AT 25 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 40 MPH...

LAT...LON 3504 9794 3506 9761 3492 9739 3473 9737
      3472 9780
TIME...MOT...LOC 0914Z 322DEG 20KT 3497 9770
Special weather statement, Oct 6, 4:37 AM CDT, 1 hour 23 minutes before
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Special weather statement, Oct 6, 4:38 AM CDT, 1 hour 22 minutes before
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Special weather statement, Oct 6, 5:32 AM CDT, 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 10:15 PM CDTSpecial Weather StatementOUNPayne30 min
Oct 5, 10:29 PM CDTSpecial Weather StatementOUNBlaine31 min
Oct 5, 10:42 PM CDTSevere Thunderstorm WarningOUNLincoln, Pottawatomie48 min
Oct 5, 10:42 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Canadian, Grady48 min
Oct 5, 10:53 PM CDTSpecial Weather StatementOUNOklahoma37 min
Oct 5, 11:07 PM CDTSevere Thunderstorm WarningOUNCanadian, Cleveland, Grady, McClain, Oklahoma27 min
Oct 5, 11:29 PM CDTSevere Thunderstorm WarningOUNCaddo28 min
Oct 5, 11:53 PM CDTSpecial Weather StatementOUNCleveland22 min
Oct 6, 12:05 AM CDTSpecial Weather StatementOUNCleveland, Grady, McClain, Pottawatomie, Seminole25 min
Oct 6, 12:43 AM CDTSpecial Weather StatementOUNGarvin, Hughes, Seminole32 min
Oct 6, 1:09 AM CDTSpecial Weather StatementOUNGarvin, Hughes, Pontotoc36 min
Oct 6, 1:44 AM CDTSpecial Weather StatementOUNGarvin31 min
Oct 6, 2:08 AM CDTSpecial Weather StatementOUNCarter37 min
Oct 6, 2:44 AM CDTSpecial Weather StatementOUNCarter, Love, Marshall46 min
Oct 6, 3:02 AM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Murray, Stephens43 min
Oct 6, 3:23 AM CDTSpecial Weather StatementOUNMcClain37 min
Oct 6, 3:31 AM CDTSevere Thunderstorm WarningOUNGarvin, McClain, Stephens22 min
Oct 6, 3:39 AM CDTSevere Thunderstorm WarningOUNCarter, Jefferson, Love, Murray, Stephens51 min
Oct 6, 4:09 AM CDTSpecial Weather StatementOUNGarvin36 min
Oct 6, 4:17 AM CDTSpecial Weather StatementOUNGrady28 min
Oct 6, 4:24 AM CDTSevere Thunderstorm WarningOUNCarter, Love51 min
Oct 6, 4:37 AM CDTSpecial Weather StatementOUNGarvin23 min
Oct 6, 4:38 AM CDTSpecial Weather StatementOUNGrady37 min
Oct 6, 4:59 AM CDTSevere Thunderstorm WarningOUNGarvin, Grady, Stephens32 min
Oct 6, 5:32 AM CDTSpecial Weather StatementOUNCarter43 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014Every severe thunderstorm warning in 2014

Sources

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