Alert archive / Oklahoma / Tornado Warnings in 1995

Tornado Warning 22, NWS Tulsa, OK

May 17, 1995Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 17, 1995, 4:40 PM CDT for Pawnee County, Oklahoma. It was in force for 35 min.

The area

The counties it named.

The facts

Issued: May 17, 1995, 4:40 PM CDT (21:40 UTC)
Expired: May 17, 1995, 5:15 PM CDT
In force: 35 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 103 km from the middle of the area, began a volume at 21:42 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 12:00Z, 9.7 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-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: 436 J/kg
Mixed-layer CIN: -399 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 406 m²/s²
0-3 km storm-relative helicity: 401 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 172141
TORTUL
OKC117-172215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
440 PM CDT WED MAY 17 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...WESTERN PAWNEE COUNTY
 
AT 438 PM...RADAR INDICATED A DEVELOPING TORNADO 10 MILES SOUTHWEST OF
RALSTON...MOVING NORTHEAST AT 40 MPH. RALSTON IS IN THE PATH OF THIS
STORM.
 
WATCH FOR SIGNS OF DEVELOPING STORMS.  LARGE HAILSTONES AND UNUSUALLY
LOW SWIRLING CLOUDS ARE MANY TIMES SEEN NEAR DEVELOPING TORNADOES.
STRONG DAMAGING WINDS AND TORNADOES OFTEN PRODUCE A LOUD ROARING
SOUND THAT CAN BE HEARD IN THE VICINITY OF STORMS. FREQUENT AND
DANGEROUS LIGHTNING OCCURS WITH MOST SEVERE THUNDERSTORMS.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 11:33 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	34 min
May 17, 11:33 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	42 min
May 17, 12:12 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	48 min
May 17, 1:20 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	28 min
May 17, 4:20 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	55 min
May 17, 4:53 PM CDT	Tornado Warning	TSA	Osage	52 min
May 17, 5:38 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	52 min
May 17, 5:49 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	41 min
May 17, 5:52 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers	53 min
May 17, 6:27 PM CDT	Severe Thunderstorm Warning	TSA	Wagoner	33 min

Nearby

Tornado Warnings in Oklahoma, 1995 Every tornado warning in 1995 Tornadoes 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.