Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 522, NWS Norman, OK

August 24, 2005Garfield County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 24, 2005, 4:52 PM CDT for Garfield County, Oklahoma. It was in force for 53 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
Aug 24, 2005, 4:52 PM CDT (21:52 UTC)
Expired
Aug 24, 2005, 5:45 PM CDT
In force
53 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Garfield County, OK

The radar

The Vance AFB radar (KVNX), 51 km from the middle of the area, began a volume at 21:53 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
Aug 24, 3:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 9.9 hours before the alert went out and 38 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, Lamont, OK at 12:00Z on 2005-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1154 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, Lamont, OK at 12:00Z on 2005-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.1939Sfc1 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
1154 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.9

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 Aug 24, 1:12 PM CDT, 3 hours 40 minutes earlier.

Area forecast discussion, Aug 24, 1:12 PM CDT, 3 hours 40 minutes before
FXUS64 KOUN 241729
AFDOUN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
112 PM CDT WED AUG 24 2005

.DISCUSSION...
THE FORECAST PHILOSOPHY THE NEXT FEW DAYS CONSISTS OF MONITORING THE
PROGRESSION OF A CLOSED LOW FROM MONTANA TO THE WESTERN GREAT LAKES
AND THE DEGREE IN WHICH INFLUENCE FROM AN UPPER RIDGE DECREASES.
THIS PATTERN SUPPORTS CONTINUED CHANCES OF CONVECTION ACROSS THE
NORTHERN HALF OF THE FORECAST AREA. FOR TONIGHT...STORMS MAY FORM
ALONG AN OUTFLOW BOUNDARY THAT LIES ACROSS NORTHERN OKLAHOMA...AND
POSSIBLY NEAR AND EAST OF THE ROCKIES IN VICINITY OF A LEE TROUGH.
STORMS THAT DEVELOP NORTH AND/OR WEST OF THE AREA HAVE AN
OPPORTUNITY TONIGHT TO INFLUENCE THE KANSAS/OKLAHOMA BORDER ONCE
THE LOW LEVEL JET DEVELOPS. FLASH FLOOD GUIDANCE REMAINS QUITE LOW
ACROSS THESE AREAS...HOWEVER QPF FORECASTS ARE SIMPLY NOT HIGH TO
WARRANT A FLASH FLOOD WATCH AT THIS TIME. NEXT SHIFT SHOULD
RE-EVALUATE.

TONIGHTS CONVECTION MAY RESULT IN ANOTHER OUTFLOW BOUNDARY THAT COULD
INITIATE ADDITIONAL STORMS LATE THURSDAY OVER KANSAS AND NORTHERN
OKLAHOMA. ABOVE MENTIONED COLD FRONT CONTINUES TO PROGRESS SOUTHWARD
DURING THIS PERIOD AND SHOULD SERVE AS ANOTHER FOCUSING MECHANISM
ACROSS WESTERN KANSAS...WITH THESE STORMS POSSIBLY INFLUENCING
NORTHERN OKLAHOMA THURSDAY NIGHT AND FRIDAY. NOT TOO DISSIMILAR FOR
FRIDAY EXCEPT THE COLD FRONT WILL LIKELY BE CLOSER.

MODELS ARE CONSISTENT IN ALLOWING THE FRONT TO THEN PROGRESS INTO
THE FORECAST AREA SATURDAY BEFORE WEAKENING SUN/MON. CONFIDENCE IN A
MORE CONSISTENT HOT/DRY PATTERN REMAINS LOW EVEN AFTER THE FRONT
WEAKENS. MEDIUM RANGE MODELS SHOW ROCKIES UPSLOPE FLOW DEVELOPING
AFTER FRONTAL PASSAGE WITH MID LEVEL NORTHWESTERLY FLOW LIKELY
ALLOWING CONVECTION TO MOVE INTO THE AREA AT NIGHT. IN
ADDITION...THE CONSENSUS MEDIUM RANGE SOLUTION IS FOR ANOTHER
ROCKIES LONGWAVE TROUGH TO REDEVELOP BY EARLY/MID NEXT WEEK
SUPPORTING ADDITIONAL CHANCES OF STORMS. THEREFORE EVERY PERIOD IN
THE EXTENDED HAS SOME MENTION OF PRECIPITATION.

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  73  96  74  96 /  20  20  10  20
HOBART OK         73  96  74  98 /  20  20  10  20
WICHITA FALLS TX  74  98  74  99 /  10  10  10  10
GAGE OK           70  95  70  96 /  40  20  20  30
PONCA CITY OK     72  91  73  94 /  50  30  30  30
DURANT OK         74  98  76  98 /   0  10  10  10

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.

JAMES
Hazardous weather outlook, Aug 24, 3:05 PM CDT, 1 hour 47 minutes before
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In the hours before

Special weather statement, Aug 24, 4:22 PM CDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
422 PM CDT WED AUG 24 2005

OKZ016-242130-
CUSTER OK-
422 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR CUSTER COUNTY.

A STRONG THUNDERSTORM WAS LOCATED 3 MILES EAST OF ARAPAHO AT 422 PM
CDT...MOVING NORTHEAST AT 20 MPH. 50 MPH WINDS ARE LIKELY.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.

PEOPLE IN CUSTER COUNTY...INCLUDING THE CITY OF CLINTON...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN
ALERT FOR THREATENING WEATHER CONDITIONS.

JAMES
Special weather statement, Aug 24, 4:24 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
424 PM CDT WED AUG 24 2005

OKZ014-242145-
ROGER MILLS OK-
424 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ROGER MILLS COUNTY.

A STRONG THUNDERSTORM WAS LOCATED 9 MILES SOUTHWEST OF CHEYENNE AT
424 PM CDT...MOVING NORTHEAST AT 20 MPH. WINDS TO 50 MPH ARE LIKELY.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.

PEOPLE IN ROGER MILLS COUNTY SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS.

JAMES
Special weather statement, Aug 24, 4:33 PM CDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
433 PM CDT WED AUG 24 2005

OKZ012-242145-
GARFIELD OK-
433 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR GARFIELD COUNTY.

A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHWEST OF LAHOMA AT 433
PM CDT...MOVING NORTHEAST AT 20 MPH. IF THE STORM MAINTAINS IT
STRENGTH AND MOTION... A SEVERE THUNDERSTORM WARNING MAY BE REQUIRED
FOR GARFIELD COUNTY.

PEOPLE IN GARFIELD COUNTY...INCLUDING THE CITY OF ENID...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN
ALERT FOR THREATENING WEATHER CONDITIONS.

CJS
Special weather statement, Aug 24, 4:36 PM CDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
436 PM CDT WED AUG 24 2005

OKZ016-242145-
CUSTER OK-
436 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR CUSTER COUNTY.

AT 436 PM...STRONG THUNDERSTORMS WERE LOCATED 4 MILES SOUTHWEST OF
FOSS RESERVOIR AND 3 MILES NORTHWEST OF CUSTER CITY. BOTH STORMS
WERE MOVING NORTH NORTHWEST AT 20 MPH...WITH 50 MPH WINDS LIKELY.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.

PEOPLE IN CUSTER COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY.
LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS.

JAMES
Special weather statement, Aug 24, 4:38 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
438 PM CDT WED AUG 24 2005

OKZ014-242200-
ROGER MILLS OK-
438 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ROGER MILLS COUNTY.

A STRONG THUNDERSTORM WAS LOCATED 4 MILES WEST OF CHEYENNE AT 438 PM
CDT...MOVING NORTH NORTHEAST EAST AT 30 MPH. 50 MPH WINDS ARE LIKELY.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.

PEOPLE IN ROGER MILLS COUNTY SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS.

JAMES
Special weather statement, Aug 24, 4:40 PM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
440 PM CDT WED AUG 24 2005

OKZ006-242200-
ALFALFA OK-
440 PM CDT WED AUG 24 2005

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ALFALFA COUNTY.

A SEVERE THUNDERSTORM WAS LOCATED 11 MILES SOUTHWEST OF CARMEN AT 440
PM CDT...MOVING NORTHEAST AT 20 MPH.

PEOPLE IN ALFALFA COUNTY SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS.

CJS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 4:13 PM CDTSevere Thunderstorm WarningOUNMajor47 min
Aug 24, 4:31 PM CDTSevere Thunderstorm WarningOUNWoods44 min
Aug 24, 4:50 PM CDTSevere Thunderstorm WarningOUNAlfalfa55 min
Aug 24, 5:06 PM CDTSevere Thunderstorm WarningOUNMajor39 min
Aug 24, 5:45 PM CDTSevere Thunderstorm WarningOUNGarfield45 min
Aug 24, 6:25 PM CDTSevere Thunderstorm WarningOUNGarfield65 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2005Every severe thunderstorm warning in 2005

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.