Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 261, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 24, 2010, 2:16 PM CDT for Harper County, Oklahoma. It was in force for 41 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
- Jul 24, 2010, 2:16 PM CDT (19:16 UTC)
- Expired
- Jul 24, 2010, 2:57 PM CDT
- In force
- 41 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Harper County, OK
The radar
The Dodge City radar (KDDC), 111 km from the middle of the area, began a volume at 19:17 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
Dodge City, (KDDC), launched 12:00Z, 7.3 hours before the alert went out and 111 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.
- Mixed-layer CAPE
- 126 J/kg
- Mixed-layer CIN
- -283 J/kg
- Mixed-layer LCL
- 1842 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 24, 12:27 PM CDT, 1 hour 49 minutes earlier.
Area forecast discussion, Jul 24, 12:27 PM CDT, 1 hour 49 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 1227 PM CDT SAT JUL 24 2010 .AVIATION... SCATTERED THUNDERSTORMS...AIDED BY WEAK FRONTAL BOUNDARY AND MCV NEAR FAR NORTHWEST PANHANDLES...WILL CREATE STRONG WIND GUSTS ALONG WITH IFR-MVFR VIS RESTRICTIONS AND CEILINGS FOR THE FIRST FEW HOURS OF THE FORECAST AT/NEAR KGAG-KWWR. DEVELOPMENT FARTHER EAST TOWARD KPNC POSSIBLE TOWARD AND AFTER 22Z PER SHORT TERM MODEL SOLUTIONS. STORMS EXPECTED TO STAY OUT OF REMAINDER OF OUR TERMINALS THIS FORECAST. && .UPDATE... ONLY MINOR TWEAKS TO TODAYS FORECAST. ALTHOUGH 12Z NAM STILL APPEARS A BIT AGGRESSIVE WITH SOUTHWARD PROGRESSION OF FRONT... STILL EXPECT TO SEE SOME AFTN CONVECTION AFFECT MAINLY NORTHERN OKLAHOMA. && .PRELIMINARY POINT TEMPS/POPS... OKLAHOMA CITY OK 96 73 97 71 / 10 20 20 20 HOBART OK 99 72 98 70 / 10 20 20 20 WICHITA FALLS TX 97 73 98 71 / 10 10 10 20 GAGE OK 96 68 92 67 / 70 50 30 30 PONCA CITY OK 96 73 93 73 / 40 50 30 30 DURANT OK 97 71 95 71 / 10 0 10 20 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...NONE. TX...NONE. && 30/11
Hazardous weather outlook, Jul 24, 11:45 AM CDT, 2 hours 31 minutes before
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Special weather statement, Jul 24, 12:36 PM CDT, 1 hour 40 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 1253 PM CDT SAT JUL 24 2010 OKZ004-010-241815- WOODWARD OK-HARPER OK- 1253 PM CDT SAT JUL 24 2010 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR HARPER AND WOODWARD COUNTIES. AT 1253 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTH OF WOODWARD...MOVING NORTHEAST AT 10 MPH. THE STORM WILL PASS JUST EAST OF FORT SUPPLY...BUT MAY PRODUCE STRONG WIND GUSTS OVER THE LAKE. HAZARDS INCLUDE... HAIL UP TO THE SIZE OF NICKELS... WIND GUSTS AROUND 50 MPH... FREQUENT CLOUD TO GROUND LIGHTNING... MINOR FLOODING IN AREAS OF POOR DRAINAGE... MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING WEATHER CONDITIONS. LAT...LON 3669 9931 3652 9915 3638 9943 3653 9956
Special weather statement, Jul 24, 1:01 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 101 PM CDT SAT JUL 24 2010 OKZ010-241815- WOODWARD OK- 101 PM CDT SAT JUL 24 2010 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR WOODWARD COUNTY. AT 101 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 12 MILES SOUTH OF ALABASTER CAVERNS STATE PARK...MOVING NORTHEAST AT 10 MPH. HAZARDS INCLUDE... HAIL UP TO THE SIZE OF NICKELS... WIND GUSTS UP TO 50 MPH... FREQUENT CLOUD TO GROUND LIGHTNING... MINOR FLOODING IN AREAS OF POOR DRAINAGE... MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING WEATHER CONDITIONS. LAT...LON 3677 9920 3662 9900 3644 9919 3652 9934
Special weather statement, Jul 24, 1:27 PM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
127 PM CDT SAT JUL 24 2010
OKZ004-005-009-010-241900-
WOODWARD OK-HARPER OK-WOODS OK-ELLIS OK-
127 PM CDT SAT JUL 24 2010
...SIGNIFICANT WEATHER ADVISORY...
THIS SIGNIFICANT WEATHER ADVISORY IS FOR ELLIS...HARPER...WOODS AND
WOODWARD COUNTIES.
AT 126 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM 7
MILES SOUTH OF ALABASTER CAVERNS STATE PARK...TO JUST NORTH OF
WOODWARD...TO 10 MILES SOUTH OF CATESBY...MOVING NORTHEAST AT 5 TO
10 MPH. VERY HEAVY RAINFALL WILL OCCUR...SO SOME FLOODING OF
LOW-LYING AND POORLY DRAINED AREAS IS LIKELY.
HAZARDS INCLUDE...
WIND GUSTS 40 TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...
SEVERE WEATHER IS NOT EXPECTED AND NO WARNINGS ARE ANTICIPATED AT
THIS TIME.
LAT...LON 3657 9904 3637 9965 3626 9999 3668 9996
3670 9938 3682 9890Special weather statement, Jul 24, 2:01 PM CDT, 15 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 1:43 PM CDT | Areal Flood Advisory | OUN | Ellis, Harper, Woodward | 3 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2010Every severe thunderstorm warning in 2010
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.