Damaging Winds in Wyoming, May 13, 2007

Name: Damaging Winds in Wyoming, May 13, 2007
Start: 2007-05-13T20:15
End: 2007-05-13T21:30
Location: Wyoming

May 13, 2007 · NWS UNR · 3 events in 2 counties and zones

Severe thunderstorms moved across northern Campbell and Crook Counties during the evening, producing wind gusts to 70 mph.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS UNR wrote it up.

Severe thunderstorms moved across northern Campbell and Crook Counties during the evening, producing wind gusts to 70 mph.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

Hazardous weather outlook, May 13, 9:20 AM MST, 10 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
1020 AM MDT SUN MAY 13 2007

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-141400-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
1020 AM MDT (1120 AM CDT) SUN MAY 13 2007

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

.DAY ONE...TODAY AND TONIGHT

VERY WARM TEMPERATURES...ALONG WITH A FRONTAL BOUNDARY OVER
NORTHEASTERN WYOMING AND NORTHWESTERN SOUTH DAKOTA...WILL HELP TO
DESTABILIZE THE ATMOSPHERE TODAY. SCATTERED THUNDERSTORMS ARE
EXPECTED THIS AFTERNOON AND EVENING...WITH SOME OF THE THUNDERSTORMS
BECOMING SEVERE OVER NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA.

FOR AREAS SOUTH OF INTERSTATE 90...A FEW THUNDERSTORMS MAY PRODUCE
HAIL...BUT THE MAIN SEVERE THREAT WILL BE WIND GUSTS TO 60 MPH. FOR
AREAS ALONG AND NORTH OF INTERSTATE 90...THE MAIN THREAT WILL BE
LARGE HAIL AND DAMAGING WIND GUSTS.

DRY LIGHTNING IS ALSO POSSIBLE ACROSS THE BLACK HILLS THIS AFTERNOON
AND EVENING. WITH CRITICALLY DRY FUELS...A RED FLAG WARNING HAS BEEN
ISSUED FOR THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A COLD FRONT PASSING THROUGH WILL LEAD TO WINDY CONDITIONS ON MONDAY
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY AND MONDAY NIGHT.
SEVERE STORMS ARE NOT EXPECTED. THERE WILL BE ANOTHER CHANCE OF
SHOWERS AND THUNDERSTORMS ON FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY...ESPECIALLY NEAR THE BLACK
HILLS...AND OVER NORTHEASTERN WYOMING AND NORTHWESTERN SOUTH DAKOTA.

In the hours before

Local storm report, May 13, 5:59 PM MST, 2 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
659 PM MDT SUN MAY 13 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0635 PM     TSTM WND GST     11 NNW PORCUPINE        43.38N 102.42W
05/13/2007  E60.00 MPH       SHANNON            SD   TRAINED SPOTTER

&&

MHOLM

Local storm report, May 13, 6:59 PM MST, 1 hour 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
759 PM MDT SUN MAY 13 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0625 PM     TSTM WND GST     5 NE PORCUPINE          43.28N 102.26W
05/13/2007  M60.00 MPH       SHANNON            SD   MESONET

            PRGS2 PORCUPINE RAWS STATION

&&

MHOLM

The radar

The Rapid City radar (KUDX), 246 km away, was scanning. The volume nearest the first event began at 03:15 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Campbell

When: May 13, 8:15 PM MST
Where: Campbell County, 17 mi N of Recluse
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 44.976, -105.700

Thunderstorm Wind, Campbell

When: May 13, 8:51 PM MST
Where: Campbell County, 1 mi N of Echeta
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.444, -105.850

Thunderstorm Wind, Crook

When: May 13, 9:30 PM MST
Where: Crook County, 16 mi N of Hulett
Measured: 61 kt (70 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 44.911, -104.600

Winds shook a mobile home.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2007 Every state in 2007 This day in weather history Warnings in Wyoming, May 2007

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 21668, 21670, 21672.