Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 154, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 19, 2012, 9:00 PM CDT for Cherokee County, Muskogee County, Sequoyah County, Oklahoma. It was in force for 45 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
- Jul 19, 2012, 9:00 PM CDT (02:00 UTC)
- Expired
- Jul 19, 2012, 9:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Cherokee County, OK, Muskogee County, OK, Sequoyah County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 182 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
- 105 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 3154 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
405
WUUS54 KTSA 200200
SVRTSA
OKC021-101-135-200245-
/O.NEW.KTSA.SV.W.0154.120720T0200Z-120720T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT THU JUL 19 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
NORTHEASTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
NORTHWESTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
* UNTIL 945 PM CDT
* AT 857 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
FORT GIBSON...MOVING SOUTH AT 15 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PUMPKIN
CENTER...BRAGGS AND GREENLEAF STATE PARK.
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 3558 9503 3552 9528 3582 9536 3582 9535
3581 9527 3584 9525 3585 9517
TIME...MOT...LOC 0200Z 342DEG 13KT 3573 9523
$$2 follow-up statements
846 WWUS54 KTSA 200227 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 927 PM CDT THU JUL 19 2012 OKC021-101-135-200245- /O.CON.KTSA.SV.W.0154.000000T0000Z-120720T0245Z/ CHEROKEE OK-MUSKOGEE OK-SEQUOYAH OK- 927 PM CDT THU JUL 19 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTHWESTERN SEQUOYAH...EASTERN MUSKOGEE AND SOUTHERN CHEROKEE COUNTIES... AT 923 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BRAGGS... MOVING SOUTH AT 15 MPH. STORM HAZARDS INCLUDE... WIND GUSTS TO 60 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...GREENLEAF STATE PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3558 9503 3552 9528 3569 9532 3577 9513 TIME...MOT...LOC 0228Z 342DEG 13KT 3563 9519 $$
224 WWUS54 KTSA 200246 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 946 PM CDT THU JUL 19 2012 OKC021-101-135-200256- /O.EXP.KTSA.SV.W.0154.000000T0000Z-120720T0245Z/ CHEROKEE OK-MUSKOGEE OK-SEQUOYAH OK- 946 PM CDT THU JUL 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SEQUOYAH... EASTERN MUSKOGEE AND SOUTHERN CHEROKEE COUNTIES EXPIRES AT 945 PM CDT... THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. GUSTY WINDS AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM. LAT...LON 3558 9503 3552 9528 3569 9532 3577 9513 TIME...MOT...LOC 0227Z 342DEG 13KT 3563 9519 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:17 PM CDT | Special Weather Statement | TSA | Tulsa, Wagoner | 28 min |
| Jul 19, 7:27 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 48 min |
| Jul 19, 7:57 PM CDT | Special Weather Statement | TSA | Wagoner | 33 min |
| Jul 19, 8:11 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Wagoner | 49 min |
| Jul 19, 8:37 PM CDT | Special Weather Statement | TSA | McIntosh | 23 min |
| Jul 19, 8:38 PM CDT | Special Weather Statement | TSA | Cherokee | 37 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; the sounding from the Mesonet's radiosonde archive.