Alert archive / Oklahoma / Tornado Warnings in 2008
Tornado Warning 39, NWS Norman, OK
NWS Norman, OK issued this tornado warning at May 7, 2008, 5:20 PM CDT for Oklahoma County, Oklahoma. It was in force for 36 min. 2 reports 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
- May 7, 2008, 5:20 PM CDT (22:20 UTC)
- Expired
- May 7, 2008, 5:56 PM CDT
- In force
- 36 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Oklahoma County, OK
The radar
The Norman radar (KTLX), 34 km from the middle of the area, began a volume at 22:23 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 |
|---|---|---|---|
| May 7, 5:22 PM CDT | TORNADO | 5 Nnw The Village, OK | EF0 TORNADO. 2.8 MILE LENGTH. 20 YARDS WIDE. DEVELOPED NEAR NORTHWEST 164TH AND MAY AVENUE AND MOVED SOUTHEAST ENDING NEAR MEMORIAL ROAD AND WESTERN AVENUE. |
| May 7, 5:30 PM CDT | TSTM WND GST 59 | 2 Ene Nichols Hills, OK | WEST WIND MEASURED GUST OF 59 MPH. MESONET STATION ALSO MEASURED A NORTH-NORTHWEST WIND GUST OF 58 MPH AT 535 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 7, 1:33 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 10.3 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
- 1715 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 612 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KOUN 072222 TOROUN OKC109-072315- /O.NEW.KOUN.TO.W.0039.080507T2220Z-080507T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORMAN OK 520 PM CDT WED MAY 7 2008 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * TORNADO WARNING FOR... OKLAHOMA COUNTY IN CENTRAL OKLAHOMA... * UNTIL 615 PM CDT * AT 520 PM CDT...A LARGE AREA OF THUNDERSTORMS WITH A HISTORY OF PRODUCING TORNADOES WAS LOCATED OVER NORTHERN OKLAHOMA CITY...MOVING EAST AT 20 MPH. BRIEF TORNADOES MAY QUICKLY FORM FROM THIS AREA OF STORMS. STRAIGHT LINE WIND DAMAGE IS ALSO LIKELY. * LOCATIONS IN THE WARNING INCLUDE ARCADIA...EDMOND...FOREST PARK... HARRAH...JONES...LAKE ALUMA...LUTHER...NICHOLS HILLS...NICOMA PARK...NORTHEASTERN OKLAHOMA CITY...SPENCER...THE VILLAGE AND WARR ACRES. TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE WALLS. LAT...LON 3573 9718 3549 9717 3548 9761 3572 9761 TIME...MOT...LOC 2220Z 263DEG 18KT 3560 9756 $$
2 follow-up statements
000 WWUS54 KOUN 072247 SVSOUN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 544 PM CDT WED MAY 7 2008 OKC109-072315- /O.CON.KOUN.TO.W.0039.000000T0000Z-080507T2315Z/ OKLAHOMA OK- 544 PM CDT WED MAY 7 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR NORTHEASTERN OKLAHOMA COUNTY... AT 544 PM CDT...A LARGE GROUP OF THUNDERSTORMS WITH A HISTORY OF PRODUCING TORNADOES WAS LOCATED OVER FAR SOUTHEAST EDMOND...MOVING EAST AT 20 MPH. THE CIRCULATION WITH THESE STORMS HAS WEAKENED SOMEWHAT...BUT ADDITIONAL STRENGTHENING IS POSSIBLE THROUGH 615 PM AND BRIEF TORNADOES COULD RAPIDLY FORM. * LOCATIONS IN THE WARNING INCLUDE ARCADIA...EDMOND...FOREST PARK... JONES...LAKE ALUMA...LUTHER...NORTHEASTERN OKLAHOMA CITY AND SPENCER. THIS TORNADO IS LIKELY OBSCURED BY RAIN AND MAY NOT BE VISIBLE. ABANDON MOBILE HOMES AND VEHICLES. IF POSSIBLE... MOVE TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. LAT...LON 3573 9718 3550 9717 3549 9747 3572 9752 TIME...MOT...LOC 2244Z 263DEG 18KT 3561 9741 $$
000 WWUS54 KOUN 072256 SVSOUN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 555 PM CDT WED MAY 7 2008 OKC109-072305- /O.CAN.KOUN.TO.W.0039.000000T0000Z-080507T2315Z/ OKLAHOMA OK- 555 PM CDT WED MAY 7 2008 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR OKLAHOMA COUNTY... THE STORM HAS WEAKENED AND THE THREAT OF TORNADOES HAS DIMINISHED IN OKLAHOMA COUNTY. LAT...LON 3573 9718 3550 9717 3549 9747 3572 9752 TIME...MOT...LOC 2255Z 263DEG 18KT 3562 9734 $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 11:48 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 42 min |
| May 7, 12:58 AM CDT | High Wind Warning | OUN | Greer, Harmon, Jackson, Kiowa | 71 min |
| May 7, 2:58 AM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 47 min |
| May 7, 3:31 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 44 min |
| May 7, 3:52 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Grady | 38 min |
| May 7, 4:12 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Grady, Stephens | 21 min |
| May 7, 5:44 AM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Garvin, Grady, McClain, Pottawatomie, Stephens | 46 min |
| May 7, 6:38 AM CDT | Severe Thunderstorm Warning | OUN | Johnston, Lincoln, Pottawatomie, Seminole | 52 min |
| May 7, 6:41 AM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie, Seminole | 23 min |
| May 7, 10:19 AM CDT | Areal Flood Advisory | OUN | Oklahoma | 116 min |
| May 7, 12:13 PM CDT | River Flood Warning | OUN | Pottawatomie, Seminole | 22 hr |
| May 7, 2:24 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson, Stephens | 51 min |
| May 7, 2:55 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Murray | 65 min |
| May 7, 3:32 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain, Oklahoma, Pottawatomie | 43 min |
| May 7, 3:37 PM CDT | Areal Flood Advisory | OUN | Blaine, Caddo | 3 hr |
| May 7, 3:37 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 38 min |
| May 7, 3:40 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 40 min |
| May 7, 4:03 PM CDT | Areal Flood Advisory | OUN | Canadian, Oklahoma | 3 hr |
| May 7, 4:05 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 40 min |
| May 7, 4:10 PM CDT | Severe Thunderstorm Warning | OUN | Love | 65 min |
| May 7, 4:23 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Murray | 52 min |
| May 7, 4:33 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Grady | 42 min |
| May 7, 4:55 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Oklahoma | 50 min |
| May 7, 5:05 PM CDT | Tornado Warning | OUN | Oklahoma | 25 min |
| May 7, 5:08 PM CDT | Flash Flood Warning | OUN | Canadian, Oklahoma | 3 hr |
| May 7, 5:14 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Coal, Johnston, Love, Marshall, Murray and 1 more | 61 min |
| May 7, 5:33 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Pottawatomie | 42 min |
| May 7, 5:39 PM CDT | Areal Flood Advisory | OUN | Cleveland, Pottawatomie | 2 hr |
| May 7, 5:39 PM CDT | Tornado Warning | OUN | Lincoln, Pottawatomie, Seminole | 31 min |
| May 7, 5:45 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Coal, Johnston, Marshall | 60 min |
| May 7, 6:07 PM CDT | Areal Flood Advisory | OUN | Logan | 3 hr |
| May 7, 6:08 PM CDT | Severe Thunderstorm Warning | OUN | Hughes | 52 min |
| May 7, 6:12 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 48 min |
| May 7, 6:16 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston, Pontotoc | 30 min |
| May 7, 6:36 PM CDT | Flash Flood Warning | OUN | Logan | 3 hr |
Nearby
Tornado Warnings in Oklahoma, 2008Every tornado warning in 2008Tornadoes in 2008
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.