Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 310, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 1, 2007, 6:46 PM CDT for Grant County, Oklahoma. It was in force for 44 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
- Jun 1, 2007, 6:46 PM CDT (23:46 UTC)
- Expired
- Jun 1, 2007, 7:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Norman, OK
- Area
- Counties, with a storm outline in the text
County Grant County, OK
The radar
The Vance AFB radar (KVNX), 26 km from the middle of the area, began a volume at 23:46 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 |
|---|---|---|---|
| Jun 1, 6:55 PM CDT | HAIL 0.88 | Pond Creek, OK | DIME TO NICKEL SIZE HAIL |
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, 11.8 hours before the alert went out and 34 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
- 1487 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -133 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KOUN 012346 SVROUN OKC053-020030- /O.NEW.KOUN.SV.W.0310.070601T2346Z-070602T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORMAN OK 646 PM CDT FRI JUN 1 2007 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRANT COUNTY IN NORTHERN OKLAHOMA... * UNTIL 730 PM CDT * AT 646 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES EAST OF NASH...MOVING NORTH AT 10 MPH. HAIL UP TO THE SIZE OF QUARTERS AND WINDS OF 60 MPH ARE LIKELY. * LOCATIONS IN THE WARNING INCLUDE DEER CREEK...JEFFERSON...LAMONT... MEDFORD...NASH...POND CREEK...RENFROW AND WAKITA. TAKE SHELTER FROM THE STORM IN A STURDY BUILDING. BOATERS ON AREA LAKES SHOULD RETURN TO SHORE. DO NOT SEEK SHELTER UNDER ISOLATED TREES AS THESE ARE TARGETS FOR LIGHTNING. AVOID LOW LYING AREAS AND FLOODING ROADWAYS. LAT...LON 3660 9808 3659 9747 3692 9754 3694 9800 $$ JAMES
2 follow-up statements
000 WWUS54 KOUN 020003 RRA SVSOUN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 702 PM CDT FRI JUN 1 2007 OKC053-020030- /O.CON.KOUN.SV.W.0310.000000T0000Z-070602T0030Z/ GRANT OK- 702 PM CDT FRI JUN 1 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR GRANT COUNTY... AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED SEVERE THUNDERSTORMS BETWEEN JEFFERSON AND POND CREEK...MOVING NORTH AT 10 MPH. AT 655 PM...AN AMATEUR RADIO OPERATOR REPORTED NICKEL SIZE HAIL IN POND CREEK. * LOCATIONS IN THE WARNING INCLUDE DEER CREEK...JEFFERSON...LAMONT... MEDFORD...NASH...POND CREEK...RENFROW AND WAKITA. TAKE SHELTER FROM THE STORM IN A STURDY BUILDING. DO NOT SEEK SHELTER UNDER ISOLATED TREES AS THESE ARE TARGETS FOR LIGHTNING. AVOID LOW LYING AREAS AND FLOODING ROADWAYS. LAT...LON 3660 9808 3659 9747 3692 9754 3694 9800 $$ JAMES
000 WWUS54 KOUN 020012 CCA SVSOUN SEVERE WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE NORMAN OK 703 PM CDT FRI JUN 1 2007 OKC053-020030- /O.COR.KOUN.SV.W.0310.000000T0000Z-070602T0030Z/ GRANT OK- 703 PM CDT FRI JUN 1 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR GRANT COUNTY... AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 4 MILES WEST OF JEFFERSON...MOVING NORTH AT 10 MPH. ANOTHER SEVERE THUNDERSTORM HAS DEVELOPED BETWEEN MEDFORD AND RENFROW. THESE STORMS WILL BE ACCOMPANIED BY QUARTER SIZE HAIL...WINDS TO 60 MPH AND TORRENTIAL RAIN. * LOCATIONS IN THE WARNING INCLUDE DEER CREEK...JEFFERSON...LAMONT... MEDFORD...NASH...POND CREEK...RENFROW AND WAKITA. LAT...LON 3660 9808 3659 9747 3692 9754 3694 9800 $$ JAMES
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 10:25 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 65 min |
| May 31, 10:45 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 45 min |
| May 31, 11:21 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Washita | 39 min |
| May 31, 11:22 PM CDT | Severe Thunderstorm Warning | OUN | Woods, Woodward | 53 min |
| May 31, 11:32 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 58 min |
| May 31, 11:35 PM CDT | Tornado Warning | OUN | Woods | 25 min |
| May 31, 11:58 PM CDT | Tornado Warning | OUN | Woods | 32 min |
| Jun 1, 12:10 AM CDT | Severe Thunderstorm Warning | OUN | Custer | 37 min |
| Jun 1, 12:16 AM CDT | Severe Thunderstorm Warning | OUN | Major, Woodward | 59 min |
| Jun 1, 12:20 AM CDT | Tornado Warning | OUN | Alfalfa | 40 min |
| Jun 1, 12:22 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa | 38 min |
| Jun 1, 12:28 AM CDT | Severe Thunderstorm Warning | OUN | Blaine | 47 min |
| Jun 1, 12:43 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 62 min |
| Jun 1, 1:02 AM CDT | Severe Thunderstorm Warning | OUN | Washita | 16 min |
| Jun 1, 1:03 AM CDT | Severe Thunderstorm Warning | OUN | Tillman | 57 min |
| Jun 1, 1:06 AM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kingfisher | 54 min |
| Jun 1, 1:13 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 47 min |
| Jun 1, 1:27 AM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 78 min |
| Jun 1, 1:41 AM CDT | Severe Thunderstorm Warning | OUN | Blaine | 49 min |
| Jun 1, 1:46 AM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woodward | 59 min |
| Jun 1, 2:10 AM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 50 min |
| Jun 1, 2:55 AM CDT | Severe Thunderstorm Warning | OUN | Payne | 50 min |
| Jun 1, 3:24 AM CDT | High Wind Warning | OUN | Tillman | 73 min |
| Jun 1, 3:26 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 49 min |
| Jun 1, 4:13 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 47 min |
| Jun 1, 4:31 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 44 min |
| Jun 1, 4:56 PM CDT | Flash Flood Watch | OUN | Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 17 more | 6 hr |
| Jun 1, 4:57 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 48 min |
| Jun 1, 5:08 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Payne | 52 min |
| Jun 1, 5:11 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 49 min |
| Jun 1, 5:42 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 63 min |
| Jun 1, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Noble, Payne | 49 min |
| Jun 1, 6:22 PM CDT | Severe Thunderstorm Warning | OUN | McClain | 38 min |
| Jun 1, 6:31 PM CDT | Severe Thunderstorm Warning | OUN | Major | 44 min |
| Jun 1, 6:39 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland | 53 min |
| Jun 1, 6:42 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 48 min |
| Jun 1, 6:44 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 46 min |
| Jun 1, 6:44 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 35 min |
| Jun 1, 6:54 PM CDT | Severe Thunderstorm Warning | OUN | McClain | 36 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2007Every severe thunderstorm warning in 2007
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.