Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 53, NWS Tulsa, OK

March 26, 2000McIntosh County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 26, 2000, 3:54 PM CST for McIntosh County, Oklahoma. It was in force for 51 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued
Mar 26, 2000, 3:54 PM CST (21:54 UTC)
Expired
Mar 26, 2000, 4:45 PM CST
In force
51 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County McIntosh County, OK

The radar

The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 21:55 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

TimeReportWhereRemark
Mar 26, 4:15 PM CSTHail 0.88Checotah, OK
Mar 26, 4:16 PM CSTHail 0.75Council Hill, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 26, 2:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.9 hours before the alert went out and 164 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2000-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 739 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2000-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
739 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
1455 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KTSA 262155
SVRTUL
OKC091-262245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
354 PM CST SUN MAR 26 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 445 PM CST

* AT 354 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES WEST OF CHECOTAH...MOVING EAST AT 20
  MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...RENTIESVILLE
AND CHECOTAH

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH MPH CAN BE 
EXPECTED IN THE WARNED AREA.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

LAT...LON 3557 9579 3542 9584 3544 9534 3557 9536

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 26, 3:05 PM CST, 49 minutes earlier.

Area forecast discussion, Mar 26, 3:05 PM CST, 49 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
305 PM CST SUN MAR 26 2000

CONVECTION SO FAR THIS AFTERNOON HAS FOCUSED ACROSS NORTHEAST
OKLAHOMA NORTH OF HIGHWAY 412. SURFACE BOUNDARY STILL WELL DEFINED
THIS AFTERNOON AND EXTENDED FROM NEAR KSWO TO KFSM AT 2030Z PER
OKLAHOMA MESONET WINDS. EXPECT DEVELOPMENT OF WIDELY SCATTERED
INTENSE THUNDERSTORMS SOMEWHERE NEAR THE BOUNDARY BY 22Z...WITH
ACTIVITY THEN MOVING SOUTHEAST THIS EVENING. COULD ALSO HAVE SOME
STRONG TO MARGINALLY SEVERE STORMS THROUGH THE EARLY EVENING HOURS
WELL NORTH OF THE BOUNDARY AS CURRENT ACTIVITY NORTH OF TULSA TRACKS
SOUTHEAST INTO NORTHWEST CORNER ARKANSAS.

EXPECT ALL STORMS TO DIMINISH IN INTENSITY AFTER DARK AND MOVE
RAPIDLY SOUTHEAST THIS EVENING. MOST OF THE ACTIVITY SHOULD BE OUT
OF THE FORECAST AREA BY MIDNIGHT. COLD FRONT WILL SWEEP ACROSS
REGION TONIGHT...WITH DRIER AIR AND SUBSIDENCE LEADING TO RAPIDLY
CLEARING SKIES BEHIND THE STORMS.

MONDAY LOOKS LIKE A DRY AND MOSTLY CLEAR DAY...AND IT MAY BE THE
ONLY DAY OF THE UPCOMING WORK WEEK WITHOUT A THREAT OF RAIN. MOSTLY
CLEAR SKIES AND DOWNSLOPING WINDS SHOULD ALLOW TEMPERATURES TO RISE
INTO THE 60S AND LOWER 70S MONDAY AFTERNOON.

NEXT IN THE ENDLESS SUPPLY OF SHORTWAVES WILL APPROACH THE AREA ON
TUESDAY. MOISTURE RETURN AND DEVELOPING BAROCLINIC ZONE WILL LEAD TO
WIDESPREAD SHOWERS/STORMS BY TUESDAY NIGHT ACROSS NORTHERN ZONES.

IN EXTENDED...WILL KEEP MENTION OF RAIN IN EACH DAY OF THE EXTENDED
WITH MRF CONTINUING TO SHOW AN UNSETTLED PATTERN ACROSS SOUTHERN
PLAINS. CURRENT THINKING IS THAT BROAD UPPER TROUGH IN VICINITY WILL
LEAD TO SCATTERED SHOWERS AND THUNDERSTORMS IN THE WEDNESDAY THROUGH
FRIDAY PERIOD...WITH BEST CHANCES ACROSS NORTHERN 1/2 FORECAST AREA.

PRELIMINARY FIRST PERIOD POPS BELOW ARE SUBJECT TO CHANGE BASED ON
RADAR TRENDS AT ZONE ISSUANCE TIME...

FCSTID = 9
TUL   48  68  46  68 /  30   0   0  30
FSM   48  72  42  71 /  40   0   0  20
MLC   50  71  45  74 /  30   0   0  20
BVO   46  68  41  67 /  30   0   0  30
FYV   44  65  38  68 /  40   0   0  20
BYV   44  64  38  67 /  40   0   0  20
MIO   48  68  46  68 /  30   0   0  30
MKO   49  69  44  70 /  30   0   0  30
F10   48  68  45  68 /  30   0   0  30
HHW   52  72  46  73 /  30   0   0  20

.TUL...
AR...NONE.
OK...SEVERE THUNDERSTORM WATCH UNTIL 800 PM CST FOR ZONES
OKZ049...OKZ053>054...OKZ059>062...OKZ064>076.

In the hours before

Local storm report, Mar 26, 10:22 AM CST, 5 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1022 AM CST SUN MAR 26 2000

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0920 AM    FAIRFAX                   OK    .88 INCH HAIL
03/26/00   OSAGE                           HAM RADIO REPORT OF
                                           NICKEL SIZED HAIL

DRM
Local storm report, Mar 26, 12:45 PM CST, 3 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1245 PM CST SUN MAR 26 2000

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1205 PM    GROVE                     OK    WIND DAMAGE
03/26/00   DELAWARE                        TREES AND POWER LINES
                                           DOWN BLOCKING A ROAD.
                                           REPORT FROM GROVE EOC.

DRM
Special weather statement, Mar 26, 1:10 PM CST, 2 hours 44 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-271200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
110 PM CST SUN MAR 26 2000

...A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA
   AND NORTHWEST ARKANSAS THIS AFTERNOON AND THIS EVENING...

.SYNOPSIS...
AT MIDDAY A COLD FRONT WAS LOCATED THROUGH SOUTHEAST NEBRASKA...
NORTHWEST KANSAS AND SOUTHEAST COLORADO.  A TROUGH OF LOW PRESSURE
WAS LOCATED TO THE SOUTH OF THE FRONT THROUGH CENTRAL KANSAS AND
WESTERN OKLAHOMA.  AS THE DAY PROGRESSES THE COLD FRONT WILL PUSH
SOUTHEAST CATCHING UP TO THE TROUGH OF LOW PRESSURE AND OVERTAKING
IT.  THE COLD FRONT WILL PUSH SOUTHEAST THROUGH EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THIS EVENING.

.PRIMARY HAZARD...
A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING.  THE PRIMARY THREATS
WILL BE LARGE HAIL AND DAMAGING WINDS.

.DISCUSSION...
ALTHOUGH SURFACE TEMPERATURES HAVE BEEN RAIN COOLED ACROSS NORTHEAST
OKLAHOMA AT MIDDAY SOME CLEARING IS EXPECTED AND THE ATMOSPHERE WILL
LIKELY REBOUND.  TEMPERATURES ACROSS SOUTHEAST OKLAHOMA AND WEST
CENTRAL ARKANSAS WILL BE IN THE MID 70S TO LOWER 80S.  THESE
TEMPERATURES AND DEW POINTS AROUND 60 WILL COMBINE TO PRODUCE CAPES
AROUND 3000 J/KG. THESE CAPES WILL ENHANCE THE POTENTIAL FOR LARGE
HAIL.  WIND FIELDS ALOFT THUS FAR TODAY HAVE BEEN WEAK BUT MAY
STRENGTHEN SOME TOWARD EVENING AS AN UPPER LEVEL SYSTEM MOVES TO THE
NORTHEAST OF THE AREA.  EVEN SO THE LIKELIHOOD FOR SUPERCELLS LOOKS
SLIM.  THE THREAT FOR SEVERE THUNDERSTORMS WILL END WITH THE PASSAGE
OF THE COLD FRONT THIS EVENING.

.SPOTTER ACTIVATION...
SPOTTERS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND THIS EVENING.

A GRAPHICAL VERSION OF THE HAZARDOUS WEATHER OUTLOOK...ALONG WITH OTHER
DETAILED FORECASTS...CAN BE OBTAINED VIA THE INTERNET AT
WWW.NWSTULSA.NOAA.GOV.


Local storm report, Mar 26, 2:53 PM CST, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
253 PM CST SUN MAR 26 2000

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

024p5 PM    PRYOR                     OK    .75 INCH HAIL
03/26/00   MAYES
Local storm report, Mar 26, 3:10 PM CST, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
310 PM CST SUN MAR 26 2000

TIME(CST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0245 PM    PRYOR                     OK    .75 INCH HAIL
03/26/00   MAYES

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 26, 9:36 AM CSTSevere Thunderstorm WarningTSAOsage, Pawnee54 min
Mar 26, 11:56 AM CSTSevere Thunderstorm WarningTSADelaware34 min
Mar 26, 3:08 PM CSTSevere Thunderstorm WarningTSAOsage52 min
Mar 26, 3:41 PM CSTSevere Thunderstorm WarningTSAMayes, Rogers49 min
Mar 26, 3:51 PM CSTSevere Thunderstorm WarningTSAOsage, Tulsa39 min
Mar 26, 4:04 PM CSTSevere Thunderstorm WarningTSAOkfuskee56 min
Mar 26, 4:08 PM CSTTornado WarningTSATulsa37 min
Mar 26, 4:18 PM CSTSevere Thunderstorm WarningTSACherokee, Delaware, Mayes42 min
Mar 26, 4:32 PM CSTSevere Thunderstorm WarningTSACreek43 min
Mar 26, 4:38 PM CSTTornado WarningTSATulsa37 min
Mar 26, 4:38 PM CSTTornado WarningTSAMcIntosh, Muskogee52 min
Mar 26, 4:38 PM CSTTornado WarningTSAMuskogee, Okmulgee, Wagoner37 min
Mar 26, 4:41 PM CSTSevere Thunderstorm WarningTSAAdair49 min
Mar 26, 4:48 PM CSTSevere Thunderstorm WarningTSAOkmulgee42 min
Mar 26, 4:52 PM CSTSevere Thunderstorm WarningTSACherokee53 min
Mar 26, 4:53 PM CSTTornado WarningTSAHaskell52 min
Mar 26, 5:13 PM CSTSevere Thunderstorm WarningTSAMuskogee, Wagoner47 min
Mar 26, 5:13 PM CSTSevere Thunderstorm WarningTSAMcIntosh47 min
Mar 26, 5:21 PM CSTSevere Thunderstorm WarningTSAAdair, Sequoyah39 min
Mar 26, 5:25 PM CSTTornado WarningTSAAdair, Sequoyah50 min
Mar 26, 5:38 PM CSTSevere Thunderstorm WarningTSASequoyah52 min
Mar 26, 5:43 PM CSTSevere Thunderstorm WarningTSAPittsburg77 min
Mar 26, 5:45 PM CSTTornado WarningTSAHaskell45 min
Mar 26, 5:49 PM CSTTornado WarningTSAPittsburg41 min
Mar 26, 5:56 PM CSTSevere Thunderstorm WarningTSAHaskell, Muskogee49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.