Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 70, NWS Tulsa, OK

April 19, 1995Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1995, 8:48 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 42 min.

The area

The counties it named.

The facts

Issued: Apr 19, 1995, 8:48 PM CDT (01:48 UTC)
Expired: Apr 19, 1995, 9:30 PM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 01:52 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, 1.8 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 641 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 440 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 200149
SVRTUL
OKC113-117-200230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
848 PM CDT WED APR 19 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...SOUTHEASTERN OSAGE COUNTY...EASTERN PAWNEE COUNTY
 
AT 849 PM A SEVERE THUNDERSTORM WAS OVER HALLETT IN PAWNEE COUNTY. THE
STORM WAS MOVING NORTHEAST AT 40 MPH. CLEVELAND IS IN THE PATH OF THE
STORM.
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROT,ECT 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.

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 Apr 19, 8:45 PM CDT, 3 minutes earlier.

Area forecast discussion, Apr 19, 8:45 PM CDT, 3 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
845 PM CDT WED APR 19 1995

STORMS BEGINNING TO BECOME WIDESPREAD OVR FA AS STG UPR SYSM APCHS.
FOR UPDAT...WL BOOST ALL POPS INTO 80-100 RANGE AND MENTION SVR
IN ALL ZNS. PROFILER WINDS INDICATE EXCELLENT SHEAR BETWEEN 1 AND 2
KM WHICH SHUD SUPPORT SOME MESOCYCLONES. LUKS LIKE A BUSY NITE.....

                                     /9
.TUL...NONE.

In the hours before

Local storm report, Apr 19, 8:44 PM CDT, 4 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
841 PM CDT WED APR 19 1995

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

0836 PM    2 WEST OF SILOAM SPRINGS  OK   55 MPH WIND GUST
04/19/95   DELAWARE

0840 PM    WEST SILOAM SPRINGS       OK   1.25 INCH HAIL
04/19/95   DELAWARE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:16 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	44 min
Apr 19, 8:23 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	52 min
Apr 19, 9:09 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	51 min
Apr 19, 9:49 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	41 min
Apr 19, 9:53 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Muskogee	52 min
Apr 19, 11:16 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995 Every severe thunderstorm warning in 1995

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.