Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 43, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 25, 2000, 12:56 PM CST for Choctaw County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Mar 25, 2000, 12:56 PM CST (18:56 UTC)
- Expired
- Mar 25, 2000, 1:45 PM CST
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Choctaw County, OK
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 6.9 hours before the alert went out and 230 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
- 539 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 251857 SVRTUL OKC023-251945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1256 PM CST SAT MAR 25 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 145 PM CST * AT 1256 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF SOBOL...MOVING EAST AT 25 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SOBOL AND SWINK HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3417 9532 3404 9538 3401 9516 3416 9516
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 11:28 AM CST, 1 hour 28 minutes earlier.
Area forecast discussion, Mar 25, 11:28 AM CST, 1 hour 28 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1128 AM CST SAT MAR 25 2000 MOST OF THE MORNING CONVECTION HAS MOVED EAST OF THE FORECAST AREA...BUT SOME WEAK CONVECTION WAS STILL NOTED ON SATELLITE AND 88D ACROSS PUSHMATAHA AND CHOCTAW COUNTIES. SURFACE ANALYSIS AND MESONET DATA SHOW THE WEAK FRONT EXTENDING FROM NEAR KMLC TO KFSM. ALTHOUGH THIS FRONT IS WEAK AND IS EXPECTED TO CONTINUE TO WEAKEN...IT MAY PROVIDE ENOUGH FOCUS FOR THE DEVELOPMENT OF STRONG/SEVERE THUNDERSTORMS LATER THIS AFTERNOON OR THIS EVENING. MODIFIED SOUNDINGS FOR TEMPERATURES NEAR 80 AND DEWPOINTS IN THE MID 60S YIELD CAPE VALUES OF GREATER THAN 2000 J/KG WITH NO CAP IN AREAS NEAR OR JUST SOUTH OF THE FRONT BY LATE THIS AFTERNOON. EARLY MORNING PACKAGE LOOKED REASONABLE WITH LOW POPS NEAR AND SOUTH OF THE FRONT IN THE FIRST PERIOD. UPDATED ZONE PACKAGE HAS ALREADY BEEN SENT. MADE SOME ADJUSTMENTS TO FIRST PERIOD POPS AND TEMPERATURES BASED ON CURRENT TRENDS. FCSTID = 9 UPDATED NUMBERS... TUL 75 50 72 52 / 10 20 40 30 FSM 78 51 74 52 / 20 30 40 40 MLC 78 53 73 52 / 30 30 50 40 BVO 75 47 71 51 / 5 20 40 30 FYV 72 48 71 50 / 20 20 30 40 BYV 72 48 71 50 / 20 20 30 40 MIO 72 48 72 50 / 10 20 30 40 MKO 75 50 72 52 / 10 20 40 30 F10 75 50 72 52 / 10 20 40 30 HHW 77 55a 75 55 / 50 40 50 40 .TUL... AR...NONE. OK...NONE.
In the hours before
Local storm report, Mar 25, 7:07 AM CST, 5 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
707 AM CST SAT MAR 25 2000
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0540 AM CLAYTON OK .75 INCH HAIL
03/25/00 PUSHMATAHAThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 5:36 AM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 39 min |
| Mar 25, 6:20 AM CST | Severe Thunderstorm Warning | TSA | LeFlore, Pushmataha | 55 min |
| Mar 25, 3:19 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 56 min |
| Mar 25, 4:12 PM CST | Severe Thunderstorm Warning | TSA | LeFlore, Pushmataha | 63 min |
| Mar 25, 4:57 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 63 min |
| Mar 25, 5:52 PM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 38 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm warning in 2000
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.