Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 397, NWS Tulsa, OK

November 6, 1996Okfuskee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 6, 1996, 7:54 PM CST for Okfuskee County, Oklahoma. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 6, 1996, 7:54 PM CST (01:54 UTC)
Expired
Nov 6, 1996, 8:30 PM CST
In force
36 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 01:58 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.9 hours before the alert went out and 101 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 00:00Z on 1996-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1996-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -136 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-136 m²/s²
0-3 km storm-relative helicity
-105 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 070157
SVRTUL
OKC107-070230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
754 PM CST WED NOV 6 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL OKLAHOMA
 
   ...OKFUSKEE COUNTY
 
AT 754 PM...RADAR SHOWED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF
BEARDEN. THE STORM WAS MOVING NORTHEAST AT 60 MILES AN HOUR. BEARDEN...
OKEMAH AND PHARAOH ARE IN THE PATH OF THIS STORM.
 
HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE
OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY.
MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER
DRIVE ONTO A FLOODED ROAD.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEVATHER BULLETINS.

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 Nov 6, 3:35 PM CST, 4 hours 19 minutes earlier.

Area forecast discussion, Nov 6, 3:35 PM CST, 4 hours 19 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CST WED NOV 6 1996

BAND OF SHOWERS AND THUNDERSTORMS EXTENDING FROM JLN TO TUL TO OUN
HAS ONLY SLOWLY BEEN PROPAGATING TO THE SOUTHEAST TODAY.  THE MOST
WIDESPREAD ACTIVITY HAS BEEN MOVING TO THE NORTHEAST OVER MO WHERE
BETTER LOW-LEVEL WAA IS LOCATED.  AS LARGE S/W TROUGH APPROACHES
THIS EVENING AREA OF SHRA/TSRA SHOULD EXPAND/INTENSIFY OVER A LARGE
PORTION OF E OK AND NW AR.

THE COLD FRONT HAS SLOWLY PROGRESSED SEWD AHEAD OF MOST OF THE
RAINFALL AND GENERALLY EXTENDS FROM JLN TO OKMULGEE AT THIS TIME.
TEMPS ARE GENERALLY IN THE 50S BEHIND THE FRONT...WITH MID 70S
AHEAD OF IT.  FRONT SHOULD BE WELL SE OF THE AREA BY 12Z...BUT 850
FRONT WILL LAG BEHIND IT AND PROVIDE FOCUS FOR HEAVY RAINS
OVERNIGHT.  EXPECT RAINS TO END FROM WEST TO EAST OVERNIGHT...WITH
MCCURTAIN COUNTY THE LAST TO CLEAR BEFORE NOON TOMORROW.

SOUTHWESTERLY FLOW ALOFT SHOULD ALLOW FOR SHRA/TSRA TO CONTINUE TO
TRAIN ALONG/BEHIND FRONT THROUGH THE NIGHT PRODUCING FLOODING RAINS
OVER MOST OF THE FORECAST AREA.  WILL ISSUE FFA FOR MOST OF THE
AREA FOR TONIGHT.  WILL USE LOCATION OF CURRENT SHRA/TSRA ACTIVITY
AS NORTHERN BOUNDARY FOR WATCH.

S/W TROUGH SHOULD MOVE THROUGH WITH RAPID CLEARING TOMORROW.  REST
OF FORECAST LOOKS TO BE MOSTLY CLEAR/SUNNY THROUGH EXTENDED PERIOD.
NORTH WINDS WILL SPREAD COOLER AIR ACROSS THE REMAINDER OF THE AREA
BY MORNING. DAYTIME HIGHS IN ERN ZONES WILL BE CLOSE TO 12Z TEMPS.
FWC AND FAN GUIDANCE SHOW WARMING TREND THROUGH FRIDAY WITH THE FWC
BEING A CAT OR SO WARMER.  WILL USE A COMPROMISE OF THE TWO FOR
HIGHS NEXT TWO DAYS.  NORTH WINDS WILL LIKELY CONTINUE SOME
THURSDAY NIGHT KEEPING TEMPS FROM BOTTOMING OUT...BUT CALM WINDS
FRIDAY NIGHT WILL ALLOW FOR GOOD RADIATIONAL COOLING.

...19...

...PRELIM NUMBERS...
TUL 43/58 39/64 8000          FSM 52/58 37/64 +200
MLC 46/59 38/65 +000          FYV 47/54 35/61 +200
BVO 39/58 35/65 5000          BYV 50/52 38/59 +200
IDB 56/61 37/65 +200

.TUL...
OK...FLASH FLOOD WATCH TONIGHT...ZN56>58/60>77.
AR...FLASH FLOOD WATCH TONIGHT...ZN01/02/10/11/19/29.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 6:23 PM CSTFlash Flood WarningTSADelaware4 hr
Nov 6, 6:23 PM CSTFlash Flood WarningTSAMayes4 hr
Nov 6, 8:56 PM CSTFlash Flood WarningTSALeFlore, Sequoyah6 hr
Nov 6, 8:56 PM CSTFlash Flood WarningTSAHaskell, Latimer6 hr
Nov 6, 9:13 PM CSTSevere Thunderstorm WarningTSALatimer, LeFlore47 min
Nov 7, 2:56 AM CSTFlash Flood WarningTSASequoyah3 hr
Nov 7, 2:56 AM CSTFlash Flood WarningTSALeFlore3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.