Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 12, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 8, 2013, 3:03 PM CDT for Cimarron County, Oklahoma. It was in force for 42 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, 3:03 PM CDT (20:03 UTC)
- Expired
- May 8, 2013, 3:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
County Cimarron County, OK
The radar
The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 20:05 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, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.1 hours before the alert went out and 184 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
- 286 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 1664 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 201 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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 12:37 PM CDT, 2 hours 26 minutes earlier.
Area forecast discussion, May 8, 12:37 PM CDT, 2 hours 26 minutes before
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</html>Hazardous weather outlook, May 8, 2:33 PM CDT, 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 233 PM CDT WED MAY 8 2013 OKZ001>003-TXZ001>020-091100- CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB- HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON- GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH- 233 PM CDT WED MAY 8 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE...THIS AFTERNOON AND TONIGHT. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE OKLAHOMA PANHANDLE AND NORTHERN AND EASTERN TEXAS PANHANDLE. THE PRIMARY HAZARDS WITH ANY STORMS WILL BE LARGE HAIL TO PING PONG BALL SIZED AND STRONG WINDS TO 60 MPH. ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE OVER THE WESTERN AND CENTRAL PANHANDLES THROUGH 9 PM THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE PANHANDLES THURSDAY THROUGH FRIDAY NIGHT. A FEW SHORT LIVED STRONG OR SEVERE STORMS WILL BE POSSIBLE THURSDAY AFTERNOON IN THE SOUTHERN PANHANDLES. THE PRIMARY HAZARDS WITH ANY OF THESE STORMS WILL BE LARGE HAIL AND STRONG WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND THIS EVENING. AREA FIRE MANAGERS AND EMERGENCY OFFICIALS SHOULD BE ALERT FOR ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING. JOHNSON
In the hours before
Special weather statement, May 8, 2:40 PM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
240 PM CDT WED MAY 8 2013
OKZ001-082030-
CIMARRON OK-
240 PM CDT WED MAY 8 2013
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CIMARRON COUNTY UNTIL 330
PM CDT...
AT 237 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
A THUNDERSTORM WAS RAPIDLY DEVELOPING 5 MILES WEST OF WHEELESS...OR
22 MILES NORTHEAST OF CLAYTON...MOVING NORTHEAST AT 20 MPH.
HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
WHEELESS... KENTON... FELT...
BLACK MESA PARK...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
LAT...LON 3700 10265 3652 10261 3651 10301 3700 10301
3700 10300 3701 10278
TIME...MOT...LOC 1939Z 241DEG 14KT 3674 10297
JCThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 4:17 PM CDT | Special Weather Statement | AMA | Collingsworth | 28 min |
| May 8, 4:30 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 45 min |
| May 8, 4:36 PM CDT | Special Weather Statement | AMA | Wheeler | 24 min |
| May 8, 4:39 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 66 min |
| May 8, 5:06 PM CDT | Special Weather Statement | AMA | Hemphill | 24 min |
| May 8, 5:17 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Gray, Wheeler | 58 min |
| May 8, 5:36 PM CDT | Areal Flood Advisory | AMA | Collingsworth | 3 hr |
| May 8, 5:57 PM CDT | Special Weather Statement | AMA | Wheeler | 33 min |
| May 8, 6:29 PM CDT | Special Weather Statement | AMA | Hemphill | 46 min |
| May 8, 6:40 PM CDT | Special Weather Statement | AMA | Wheeler | 50 min |
| May 8, 2:40 PM CDT | Special Weather Statement | AMA | Cimarron | 50 min |
| May 8, 3:46 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 44 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.