Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 37, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 9, 2012, 9:03 PM CDT for Craig County, Nowata County, Oklahoma. It was in force for 57 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
- Apr 9, 2012, 9:03 PM CDT (02:03 UTC)
- Expired
- Apr 9, 2012, 10:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Craig County, OK, Nowata County, OK
The radar
The Tulsa radar (KINX), 88 km from the middle of the area, began a volume at 02:06 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 |
|---|---|---|---|
| Apr 9, 10:00 PM CDT | HAIL 0.75 | Bluejacket, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 126 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
- 1616 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
229
WUUS54 KTSA 100203
SVRTSA
OKC035-105-100300-
/O.NEW.KTSA.SV.W.0037.120410T0203Z-120410T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
903 PM CDT MON APR 9 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CRAIG COUNTY IN NORTHEAST OKLAHOMA
NORTHEASTERN NOWATA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 1000 PM CDT
* AT 902 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 20 MILES
NORTHWEST OF WELCH...MOVING SOUTHEAST AT 30 MPH.
STORM HAZARDS INCLUDE...
DAMAGING GOLF BALL SIZE HAIL...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WELCH...
BLUEJACKET AND WHITE OAK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3700 9509 3681 9499 3659 9527 3699 9551
3701 9549 3701 9511
TIME...MOT...LOC 0203Z 318DEG 24KT 3703 9539
$$4 follow-up statements
385
WWUS54 KTSA 100217
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
917 PM CDT MON APR 9 2012
OKC105-100227-
/O.CAN.KTSA.SV.W.0037.000000T0000Z-120410T0300Z/
NOWATA OK-
917 PM CDT MON APR 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NOWATA COUNTY IS
CANCELLED...
LAT...LON 3700 9509 3682 9499 3680 9500 3659 9527
3683 9541 3698 9539 3700 9537 3701 9510
TIME...MOT...LOC 0217Z 318DEG 24KT 3696 9531
$$
OKC035-100300-
/O.CON.KTSA.SV.W.0037.000000T0000Z-120410T0300Z/
CRAIG OK-
917 PM CDT MON APR 9 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR CRAIG COUNTY...
AT 915 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHWEST
OF HOLLOW...MOVING SOUTHEAST AT 30 MPH.
STORM HAZARDS INCLUDE...
DAMAGING GOLF BALL SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HOLLOW...
CENTRALIA...CENTRAILIA...WELCH...PYRAMID CORNERS...BLUEJACKET AND
WHITE OAK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM THAT IS LIKELY PRODUCING DAMAGING HAIL. IF
NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN
AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3700 9509 3682 9499 3680 9500 3659 9527
3683 9541 3698 9539 3700 9537 3701 9510
TIME...MOT...LOC 0217Z 318DEG 24KT 3696 9531
$$734
WWUS54 KTSA 100232
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
932 PM CDT MON APR 9 2012
OKC035-100300-
/O.CON.KTSA.SV.W.0037.000000T0000Z-120410T0300Z/
CRAIG OK-
932 PM CDT MON APR 9 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR NORTHEASTERN CRAIG COUNTY...
AT 928 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HOLLOW...
MOVING SOUTHEAST AT 25 MPH.
STORM HAZARDS INCLUDE...
DAMAGING GOLF BALL SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WELCH...
PYRAMID CORNERS AND BLUEJACKET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM THAT IS LIKELY PRODUCING DAMAGING HAIL. IF
NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN
AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3683 9499 3680 9500 3672 9516 3687 9531
3695 9532 3700 9529 3701 9510
TIME...MOT...LOC 0232Z 311DEG 24KT 3690 9521
$$136
WWUS54 KTSA 100244
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
944 PM CDT MON APR 9 2012
OKC035-100300-
/O.CON.KTSA.SV.W.0037.000000T0000Z-120410T0300Z/
CRAIG OK-
944 PM CDT MON APR 9 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR CENTRAL CRAIG COUNTY...
AT 941 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WELCH...MOVING
SOUTHEAST AT 30 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WELCH...
PYRAMID CORNERS AND BLUEJACKET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM THAT IS LIKELY PRODUCING DAMAGING HAIL. IF
NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN
AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3683 9499 3680 9500 3672 9516 3686 9523
3692 9523 3697 9519 3697 9509
TIME...MOT...LOC 0244Z 311DEG 24KT 3686 9514
$$127
WWUS54 KTSA 100255
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
955 PM CDT MON APR 9 2012
OKC035-100306-
/O.EXP.KTSA.SV.W.0037.000000T0000Z-120410T0300Z/
CRAIG OK-
955 PM CDT MON APR 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CRAIG COUNTY EXPIRES
AT 1000 PM CDT...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH
THIS STORM.
LAT...LON 3683 9499 3680 9500 3672 9516 3686 9523
3692 9523 3697 9519 3697 9509
TIME...MOT...LOC 0256Z 311DEG 24KT 3682 9509
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:45 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 60 min |
| Apr 9, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 53 min |
| Apr 9, 8:51 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 54 min |
| Apr 9, 9:04 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Rogers, Washington | 41 min |
| Apr 9, 9:30 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Washington | 45 min |
| Apr 9, 9:41 PM CDT | Special Weather Statement | TSA | Osage | 49 min |
| Apr 9, 9:56 PM CDT | Special Weather Statement | TSA | Ottawa | 49 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2012Every severe thunderstorm warning in 2012
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.