Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 70, NWS Norman, OK
NWS Norman, OK issued this tornado warning at May 24, 2011, 8:20 PM CDT for Bryan County, Oklahoma. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 24, 2011, 8:20 PM CDT (01:20 UTC)
- Expired
- May 24, 2011, 9:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Bryan County, OK
The radar
The Dallas/Ft Worth radar (KFWS), 180 km from the middle of the area, began a volume at 01:21 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 24, 12:47 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.3 hours before the alert went out and 157 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
- 2867 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1457 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 357 m²/s²
- 0-3 km storm-relative helicity
- 602 m²/s²
- Significant tornado parameter
- 6.2
- Supercell composite
- 44.3
The text
As transmitted, in the capitals the NWS used until 2016.
923
WFUS54 KOUN 250120
TOROUN
OKC013-250215-
/O.NEW.KOUN.TO.W.0070.110525T0120Z-110525T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
820 PM CDT TUE MAY 24 2011
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* TORNADO WARNING FOR...
BRYAN COUNTY IN SOUTHEAST OKLAHOMA...
* UNTIL 915 PM CDT
* AT 819 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES SOUTHWEST
OF CARTWRIGHT... OR NEAR SHERMAN TEXAS... MOVING NORTHEAST AT 35
MPH.
* LOCATIONS IN THE WARNING INCLUDE ACHILLE...ALBANY...BENNINGTON...
BLUE...BOKCHITO...CARTWRIGHT...COLBERT...KEMP...UTICA AND WADE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO A TORNADO THREAT... THIS STORM LIKELY CONTAINS
DAMAGING HAIL TO THE SIZE OF BASEBALLS OR LARGER.
&&
LAT...LON 3387 9576 3384 9586 3389 9594 3385 9596
3387 9599 3384 9601 3382 9613 3376 9617
3376 9628 3373 9628 3371 9636 3378 9642
3377 9649 3381 9652 3383 9660 3416 9597
3410 9593 3394 9593
TIME...MOT...LOC 0119Z 243DEG 32KT 3372 9662
$$
CJS3 follow-up statements
142
WWUS54 KOUN 250154
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
854 PM CDT TUE MAY 24 2011
OKC013-250215-
/O.CON.KOUN.TO.W.0070.000000T0000Z-110525T0215Z/
BRYAN OK-
854 PM CDT TUE MAY 24 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN BRYAN COUNTY...
AT 852 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES SOUTH OF
ALBANY...MOVING NORTHEAST AT 35 MPH. CURRENT RADAR DATA INDICATES
THAT THE MOST DANGEROUS PART OF THE STORM WILL REMAIN SOUTH OF THE
RED RIVER... HOWEVER... RESIDENTS IN SOUTHERN BRYAN COUNTY SHOULD
REMAIN STAY ABREAST OF THE LATEST WEATHER INFORMATION.
OTHER STRONG TO SEVERE THUNDERSTORMS LOCATED OVER NORTH TEXAS WILL
ALSO BE MOVING INTO SOUTHWEST BRYAN COUNTY.
* LOCATIONS IN THE WARNING INCLUDE ALBANY...KEMP AND WADE.
LAT...LON 3376 9637 3377 9640 3379 9638 3381 9637
3399 9597 3401 9594 3394 9593 3387 9576
3384 9586 3389 9594 3385 9596 3387 9599
3384 9601 3382 9613 3376 9617 3376 9628
3373 9628 3371 9636
TIME...MOT...LOC 0152Z 243DEG 32KT 3372 9616
$$721
WWUS54 KOUN 250205
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
905 PM CDT TUE MAY 24 2011
OKC013-250215-
/O.CON.KOUN.TO.W.0070.000000T0000Z-110525T0215Z/
BRYAN OK-
905 PM CDT TUE MAY 24 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN BRYAN COUNTY...
AT 903 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTHEAST OF
ALBANY...MOVING NORTHEAST AT 35 MPH. RADAR INDICATES THAT THE MOST
DANGEROUS PART OF THE STORM WILL REMAIN MOSTLY SOUTH OF THE RED
RIVER. HOWEVER... RESIDENTS IN THE FAR SOUTHEAST PART OF BRYAN
COUNTY SHOULD CONTINUE TO MONITOR THE PROGRESS OF THIS STORM.
MEANWHILE... A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR A
LARGE PART OF BRYAN COUNTY FOR OTHER STORMS SPREADING INTO THE
SOUTHWEST PART OF THE COUNTY FROM NORTH TEXAS.
LAT...LON 3384 9586 3389 9594 3385 9596 3387 9599
3384 9601 3384 9609 3378 9621 3381 9619
3382 9613 3385 9610 3385 9616 3394 9593
3387 9576
TIME...MOT...LOC 0203Z 243DEG 32KT 3376 9605
$$
CJS649
WWUS54 KOUN 250215
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
915 PM CDT TUE MAY 24 2011
OKC013-250223-
/O.EXP.KOUN.TO.W.0070.000000T0000Z-110525T0215Z/
BRYAN OK-
915 PM CDT TUE MAY 24 2011
...THE TORNADO WARNING FOR SOUTHEASTERN BRYAN COUNTY WILL EXPIRE AT
915 PM CDT...
HOWEVER... THE STORM WITH THE POSSIBLE TORNADO COULD COME CLOSE TO
THE EXTREME SOUTHEAST TIP OF BRYAN COUNTY. RESIDENTS IN THIS AREA
SHOULD CONTINUE TO TAKE PRECAUTIONS UNTIL THE STORM PASSES TO THE
SOUTHEAST.
LAT...LON 3384 9586 3389 9594 3385 9596 3387 9599
3384 9601 3384 9609 3378 9621 3381 9619
3382 9613 3385 9610 3385 9616 3394 9593
3387 9576
TIME...MOT...LOC 0213Z 243DEG 32KT 3380 9595
$$The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:11 PM CDT | Severe Thunderstorm Warning | OUN | Love | 34 min |
| May 24, 7:13 PM CDT | Tornado Warning | OUN | Seminole | 17 min |
| May 24, 7:19 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston, Pontotoc | 41 min |
| May 24, 7:25 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Marshall | 65 min |
| May 24, 7:29 PM CDT | Tornado Warning | OUN | Love, Marshall | 46 min |
| May 24, 7:33 PM CDT | Tornado Warning | OUN | Johnston | 42 min |
| May 24, 7:39 PM CDT | Tornado Warning | OUN | Marshall | 51 min |
| May 24, 7:46 PM CDT | Tornado Warning | OUN | Coal | 44 min |
| May 24, 7:54 PM CDT | Tornado Warning | OUN | Atoka, Bryan, Johnston | 51 min |
| May 24, 7:58 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 62 min |
| May 24, 8:06 PM CDT | Tornado Warning | OUN | Atoka, Coal | 39 min |
| May 24, 8:23 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 67 min |
| May 24, 8:29 PM CDT | Severe Thunderstorm Warning | OUN | Hughes, Pontotoc, Seminole | 61 min |
| May 24, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 37 min |
| May 24, 9:00 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 60 min |
| May 24, 9:17 PM CDT | Tornado Warning | OUN | Bryan | 28 min |
| May 24, 9:32 PM CDT | Special Weather Statement | OUN | Hughes | 28 min |
| May 24, 9:48 PM CDT | Special Weather Statement | OUN | Hughes | 27 min |
| May 24, 10:05 PM CDT | Special Weather Statement | OUN | Bryan | 25 min |
| May 25, 1:49 AM CDT | Wind Advisory | OUN | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 10 more | 17 hr |
| May 25, 2:01 AM CDT | Special Weather Statement | OUN | Harper | 59 min |
| May 25, 3:09 AM CDT | Special Weather Statement | OUN | Ellis, Harper, Woods, Woodward | 51 min |
Nearby
Tornado Warnings in Oklahoma, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.