Alert archive / Wyoming / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 73, NWS Rapid City, SD

June 16, 2003Campbell County, Wyoming

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 16, 2003, 7:25 PM MDT for Campbell County, Wyoming. It was in force for 65 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: Jun 16, 2003, 7:25 PM MDT (01:25 UTC)
Expired: Jun 16, 2003, 8:30 PM MDT
In force: 65 min
Issued by: NWS Rapid City, SD
Area: Counties, with a storm outline in the text

County Campbell County, WY

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 1.4 hours before the alert went out and 264 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2636 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 5:35 PM MDT, 1 hour 50 minutes earlier.

Area forecast discussion, Jun 16, 5:35 PM MDT, 1 hour 50 minutes before

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Hazardous weather outlook, Jun 16, 6:40 AM MDT, 12 hours 45 minutes before

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-171300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
640 AM MDT MON JUN 16 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AS A
COLD FRONT COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVES SLOWLY
THROUGH SOUTHERN SOUTH DAKOTA. ONCE AGAIN THE STORMS THAT DEVELOP
WILL MOVE VERY SLOWLY CREATING A THREAT FOR FLASH FLOODING. A FLOOD
WATCH HAS BEEN ISSUED FOR AREAS IN AND AROUND THE BLACK HILLS AND
SOUTHWESTERN SOUTH DAKOTA. LOCALLY HEAVY RAIN MAY ALSO OCCUR ACROSS
SOUTH CENTRAL SOUTH DAKOTA THIS EVENING. A COUPLE OF STORMS...
ESPECIALLY OVER THE BLACK HILLS HAVE THE POTENTIAL TO BECOME SEVERE
WITH HAIL LARGER THAN 3/4 OF AN INCH THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A FEW SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BE LOCATED OVER FAR
SOUTHERN SOUTH DAKOTA AND THE BLACK HILLS ON TUESDAY. THE NEXT
CHANCE FOR THUNDERSTORMS THEN COMES FRIDAY THROUGH SUNDAY AS A
SERIES OF UPPER LEVEL DISTURBANCES MOVE THROUGH THE HIGH PLAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

In the hours before

Local storm report, Jun 16, 4:04 PM MDT, 3 hours 21 minutes before

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The office that day

Everything else NWS Rapid City, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 11:41 AM MDT	Severe Thunderstorm Warning	UNR		49 min
Jun 17, 12:18 PM MDT	Flash Flood Warning	UNR		3 hr
Jun 16, 6:40 PM MDT	Severe Thunderstorm Warning	UNR	Crook	50 min
Jun 16, 7:27 PM MDT	Severe Thunderstorm Warning	UNR	Crook	63 min
Jun 16, 8:25 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	50 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2003 Every severe thunderstorm warning in 2003

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.