Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 67, NWS Tulsa, OK

March 29, 1997Adair County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 29, 1997, 11:10 PM CST for Adair County, Oklahoma. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 29, 1997, 11:10 PM CST (05:10 UTC)
Expired
Mar 30, 1997, 12:15 AM CST
In force
65 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Adair County, OK

What was reported inside it

TimeReportWhereRemark
Mar 29, 11:30 PM CSTThunderstorm Wind 52Stilwell, 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.2 hours before the alert went out and 137 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, Springfield, MO at 00:00Z on 1997-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1997-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2116 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 300512 RRA
SVRTUL
OKC001-135-061-300615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1110 PM CST SAT MAR 29 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL OKLAHOMA
 
   ...SOUTHERN ADAIR COUNTY...SEQUOYAH COUNTY
 
IN SOUTHEAST OKLAHOMA
 
   ...HASKELL COUNTY
 
AT 11:10 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF STILWELL
TO VIAN TO STIGLER MOVING EAST AT 40 MPH. THESE STORMS HAVE PRODUCED
WIND GUSTS OF 60 TO 70 MPH. SALLISAW...KEOTA...AND STILWELL ARE IN THE
PATH OF THIS STORM.
 
DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR WITH THIS LINE OF
THUNDERSTORMS.  IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER
IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME.  STAY
AWAY FROM OUTSIDE WALLS AND WINDOWS.  IF YOU ARE IN A MOBILE HOME
YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
 
 
 
&

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 29, 9:00 PM CST, 2 hours 10 minutes earlier.

Area forecast discussion, Mar 29, 9:00 PM CST, 2 hours 10 minutes before
FPUS3 KTUL 300257 COR
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CST SAT MAR 29 1997

DID A QUICK UPDATED TO SIMPLIFY SKY CONDITION...ADJUST POPS A BIT
AND ADD THE MENTION OF THUNDER TO PLACES THAT DID NOT HAVE IT
ALREADY.

.TUL...
OK...NONE.
AR...NONE.

ABBAS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 8:50 PM CSTSevere Thunderstorm WarningTSACreek55 min
Mar 29, 9:26 PM CSTSevere Thunderstorm WarningTSAOkfuskee49 min
Mar 29, 9:30 PM CSTSevere Thunderstorm WarningTSAOkmulgee45 min
Mar 29, 9:49 PM CSTSevere Thunderstorm WarningTSAMcIntosh, Muskogee56 min
Mar 29, 10:12 PM CSTSevere Thunderstorm WarningTSAOkfuskee33 min
Mar 29, 10:42 PM CSTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg63 min
Mar 29, 11:10 PM CSTSevere Thunderstorm WarningTSAHaskell, Sequoyah65 min
Mar 29, 11:20 PM CSTSevere Thunderstorm WarningTSALatimer, LeFlore55 min
Mar 30, 12:09 AM CSTSevere Thunderstorm WarningTSALeFlore36 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997

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.