Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 207, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 8, 2013, 6:17 PM CDT for Blaine County, Oklahoma. It was in force for 43 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
- May 8, 2013, 6:17 PM CDT (23:17 UTC)
- Expired
- May 8, 2013, 7:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Blaine County, OK
The radar
The Vance AFB radar (KVNX), 100 km from the middle of the area, began a volume at 23:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 8, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 11.3 hours before the alert went out and 248 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2545 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 198 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 May 8, 2:43 PM CDT, 3 hours 34 minutes earlier.
Area forecast discussion, May 8, 2:43 PM CDT, 3 hours 34 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 243 PM CDT WED MAY 8 2013 .DISCUSSION... STORMS ARE BEGINNING TO DEVELOP THIS AFTERNOON ACROSS NORTHWEST OKLAHOMA. THE STORM SCALE MODELS PAINT A CONSISTENT PICTURE OF STORMS CONTINUING TO DEVELOP ALONG THE DRYLINE IN WESTERN OKLAHOMA... WITH ADDITIONAL STORMS POTENTIALLY DEVELOPING AHEAD OF THE DRYLINE. ALTHOUGH DISCRETE STORMS ARE EXPECTED INITIALLY... IT WILL LIKELY DEVELOP INTO A LINE OR COMPLEX AND SPREAD EAST ACROSS THE AREA. POPS ARE MORE INFLUENCED BY THE SHORT-TERM MODELS THAN THE MOS NUMBERS FOR THIS EVENING. SOME SEVERE WEATHER LOOKS LIKELY THIS EVENING. SOME LINGERING SHOWERS AND STORMS REMAIN POSSIBLE INTO THE MORNING IN THE WAKE OF THE COMPLEX... ESPECIALLY IN THE NORTH. THE LONGWAVE TROUGH REMAINS TO THE WEST FOR THE NEXT COUPLE OF DAYS WITH SOUTHWEST FLOW OVER THE AREA... THUS PRECIP CHANCES WILL PERSIST ESPECIALLY WITH A SURFACE BOUNDARY IN OR NEAR THE AREA... ALTHOUGH CHANCES WILL DECREASE AS THE UPPER LOW WEAKENS AND COLD FRONT MOVES SOUTH INTO TEXAS FRIDAY AND SATURDAY. && .PRELIMINARY POINT TEMPS/POPS... OKLAHOMA CITY OK 60 79 56 73 / 40 30 50 20 HOBART OK 59 80 55 74 / 50 20 40 20 WICHITA FALLS TX 62 87 57 77 / 40 30 50 30 GAGE OK 55 75 53 71 / 40 30 30 10 PONCA CITY OK 60 77 57 72 / 60 40 30 20 DURANT OK 60 79 60 79 / 20 50 60 30 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...NONE. TX...NONE. &&
Hazardous weather outlook, May 8, 5:34 PM CDT, 43 minutes before
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Local storm report, May 8, 4:22 PM CDT, 1 hour 55 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 |
|---|---|---|---|---|
| May 7, 7:01 PM CDT | Special Weather Statement | OUN | Harper | 29 min |
| May 7, 7:11 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper | 49 min |
| May 7, 7:48 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woodward | 42 min |
| May 7, 8:35 PM CDT | Special Weather Statement | OUN | Woodward | 25 min |
| May 7, 9:55 PM CDT | Special Weather Statement | OUN | Major | 35 min |
| May 7, 10:12 PM CDT | Special Weather Statement | OUN | Dewey | 33 min |
| May 7, 10:14 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Major | 46 min |
| May 7, 11:01 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Dewey | 44 min |
| May 7, 11:43 PM CDT | Special Weather Statement | OUN | Blaine | 32 min |
| May 8, 3:20 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey, Roger Mills | 40 min |
| May 8, 3:43 PM CDT | Special Weather Statement | OUN | Canadian | 32 min |
| May 8, 3:49 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian, Kingfisher | 41 min |
| May 8, 3:56 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey, Ellis, Roger Mills | 49 min |
| May 8, 4:00 PM CDT | Special Weather Statement | OUN | Woodward | 30 min |
| May 8, 4:18 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 42 min |
| May 8, 4:28 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 47 min |
| May 8, 4:41 PM CDT | Severe Thunderstorm Warning | OUN | Dewey | 49 min |
| May 8, 4:45 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian | 45 min |
| May 8, 5:21 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher | 39 min |
| May 8, 5:25 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey | 50 min |
| May 8, 5:28 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian | 47 min |
| May 8, 5:46 PM CDT | Severe Thunderstorm Warning | OUN | Major, Woods, Woodward | 44 min |
| May 8, 5:49 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Major, Woodward | 41 min |
| May 8, 6:03 PM CDT | Special Weather Statement | OUN | Alfalfa | 27 min |
| May 8, 6:15 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 45 min |
| May 8, 6:22 PM CDT | Special Weather Statement | OUN | Caddo | 23 min |
| May 8, 6:25 PM CDT | Severe Thunderstorm Warning | OUN | Major | 50 min |
| May 8, 6:29 PM CDT | Special Weather Statement | OUN | Grant | 31 min |
| May 8, 6:36 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 39 min |
| May 8, 6:36 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher | 39 min |
| May 8, 6:45 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 45 min |
| May 8, 6:57 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.