Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 22, NWS Tulsa, OK

April 4, 1986LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 4, 1986, 4:57 PM CST for LeFlore County, Oklahoma. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Apr 4, 1986, 4:57 PM CST (22:57 UTC)
Expired: Apr 4, 1986, 6:00 PM CST
In force: 63 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.0 hours before the alert went out and 237 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: 1334 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Local storm report, Apr 4, 3:50 PM CST, 1 hour 7 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
345  PM CST FRI APR 4  1986

 TIME           EVENT  (CD=CIVIL DEFENSE.  OHP=OKLA. HIGHWAY PATROL)
 1107  AM CST   CIVIL DEFENSE IN MCALESTER OKLAHOMA REPORTED MARBLE
                SIZE HAIL AND STRONG WINDS AT KIOWA OKLAHOMA.

 1154  AM CST   MARBLE SIZE HAIL AND VERY HEAVY RAINFALL AT KIOWA
                OKLAHOMA.  REPORTED FROM C.D.

  228  PM CST   SMALL SIZE HAIL AND VERY HEAVY RAIN AT RED OAK
                OKLAHOMA IN LATIMER COUNTY.  REPORT FROM THE SO.

  325  PM CST   FLOODING AND HIGH WATER ACROSS HIGHWAY 270 BETWEEN
                RED OAK AND WILBURTON OKLAHOMA...IN LATIMER COUNTY.
                REPORT FROM LATIMER S.O.

  330  PM CST   STREET FLOODING AND HIGH WATER REPORTED IN HARTSHORNE
                OKLAHOMA IN PITTSBURG COUNTY.  REPORT FROM POLICE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 10:23 PM CST	Severe Thunderstorm Warning	TSA	Sequoyah	67 min
Apr 3, 10:23 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	67 min
Apr 4, 9:05 AM CST	Severe Thunderstorm Warning	TSA	Cherokee	55 min
Apr 4, 9:13 AM CST	Severe Thunderstorm Warning	TSA	Sequoyah	62 min
Apr 4, 10:24 AM CST	Severe Thunderstorm Warning	TSA	Pittsburg	66 min
Apr 4, 11:31 AM CST	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	59 min
Apr 4, 12:18 PM CST	Severe Thunderstorm Warning	TSA	Sequoyah	57 min
Apr 4, 12:31 PM CST	Severe Thunderstorm Warning	TSA	Latimer	59 min
Apr 4, 12:47 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	58 min
Apr 4, 1:33 PM CST	Flash Flood Warning	TSA	Latimer, Pittsburg	4 hr
Apr 4, 2:39 PM CST	Severe Thunderstorm Warning	TSA	Latimer	66 min
Apr 4, 11:21 AM CST	Severe Thunderstorm Warning	TSA	Benton, Washington	69 min
Apr 4, 4:59 PM CST	Severe Thunderstorm Warning	TSA	Scott	61 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1986 Every severe thunderstorm warning in 1986

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.