Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 430, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 13, 2011, 4:44 PM CDT for Kingfisher County, Oklahoma. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 13, 2011, 4:44 PM CDT (21:44 UTC)
- Expired
- Jul 13, 2011, 5:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Kingfisher County, OK
The radar
The Vance AFB radar (KVNX), 93 km from the middle of the area, began a volume at 21:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 5:00 PM CDT | TSTM WND DMG | 3 E Loyal, OK | ONE LARGE TREE AND SEVERAL 2 TO 3 INCH DIAMETER TREE LIMBS DOWNED WITH ESTIMATED 60 MPH WINDS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 9.7 hours before the alert went out and 96 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
- 337 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
977 WUUS54 KOUN 132144 SVROUN OKC073-132215- /O.NEW.KOUN.SV.W.0430.110713T2144Z-110713T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORMAN OK 444 PM CDT WED JUL 13 2011 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN KINGFISHER COUNTY IN CENTRAL OKLAHOMA... * UNTIL 515 PM CDT * AT 443 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF LOYAL TO 11 MILES WEST OF OKARCHE...MOVING NORTHEAST AT 10 MPH. HAZARDS IN THE WARNING INCLUDE... HAIL UP TO THE SIZE OF QUARTERS... DAMAGING WIND GUSTS TO 65 MPH... * LOCATIONS IN THE WARNING INCLUDE KINGFISHER...LOYAL...OKARCHE AND OMEGA. LAT...LON 3601 9821 3605 9792 3573 9791 3573 9820 TIME...MOT...LOC 2143Z 235DEG 9KT 3600 9822 3575 9817 $$ BURKE
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:05 PM CDT | Special Weather Statement | OUN | Cleveland, McClain | 25 min |
| Jul 12, 7:23 PM CDT | Special Weather Statement | OUN | Hughes | 22 min |
| Jul 12, 7:27 PM CDT | Special Weather Statement | OUN | Cleveland | 33 min |
| Jul 12, 7:30 PM CDT | Special Weather Statement | OUN | Pottawatomie | 30 min |
| Jul 12, 7:40 PM CDT | Special Weather Statement | OUN | Blaine | 35 min |
| Jul 13, 3:20 AM CDT | Special Weather Statement | OUN | Kay | 55 min |
| Jul 13, 4:17 AM CDT | Areal Flood Advisory | OUN | Kay | 3 hr |
| Jul 13, 1:41 PM CDT | Special Weather Statement | OUN | Beckham | 34 min |
| Jul 13, 2:27 PM CDT | Special Weather Statement | OUN | Caddo | 33 min |
| Jul 13, 2:31 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 44 min |
| Jul 13, 2:59 PM CDT | Special Weather Statement | OUN | Cotton, Jefferson, Tillman | 61 min |
| Jul 13, 3:05 PM CDT | Special Weather Statement | OUN | Grady | 25 min |
| Jul 13, 3:26 PM CDT | Special Weather Statement | OUN | Roger Mills | 34 min |
| Jul 13, 3:33 PM CDT | Special Weather Statement | OUN | Blaine | 42 min |
| Jul 13, 3:47 PM CDT | Special Weather Statement | OUN | Canadian | 43 min |
| Jul 13, 3:53 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Kingfisher | 67 min |
| Jul 13, 4:24 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Kingfisher, Major | 51 min |
| Jul 13, 5:02 PM CDT | Special Weather Statement | OUN | Major | 43 min |
| Jul 13, 5:09 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Major, Woods | 51 min |
| Jul 13, 5:20 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher | 40 min |
| Jul 13, 5:24 PM CDT | Special Weather Statement | OUN | Grady | 51 min |
| Jul 13, 5:37 PM CDT | Special Weather Statement | OUN | Murray | 38 min |
| Jul 13, 5:41 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Major, Woods | 49 min |
| Jul 13, 6:02 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain | 43 min |
| Jul 13, 6:10 PM CDT | Special Weather Statement | OUN | Woods | 35 min |
| Jul 13, 6:14 PM CDT | Special Weather Statement | OUN | Pottawatomie | 46 min |
| Jul 13, 6:22 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie | 53 min |
| Jul 13, 6:26 PM CDT | Special Weather Statement | OUN | Caddo | 34 min |
| Jul 13, 6:57 PM CDT | Special Weather Statement | OUN | Caddo, Kiowa | 33 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.