Alert archive / Wyoming / Flash Flood Warnings in 1991
Flash Flood Warning 14, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Jun 2, 1991, 10:55 PM MDT for Goshen County, Laramie County, Wyoming. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1991, 10:55 PM MDT (04:55 UTC)
- Expired
- Jun 3, 1991, 1:00 AM MDT
- In force
- 2 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Goshen County, WY, Laramie County, WY
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 4.9 hours before the alert went out and 230 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1410 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 2, 6:17 PM MDT, 4 hours 38 minutes before
NEZ001-005-011-020130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 615 PM MDT SUN JUN 2 1991 ...THUNDERSTORMS OVER THE SOUTHWEST NEBRASKA PANHANDLE... AT 610 PM MDT...RADAR INDICATED THUNDERSTORMS SCATTERED ACROSS WESTERN KIMBALL...WESTERN BANNER AND SOUTHWEST SCOTTS BLUFF COUNTIES OF THE SOUTHERN AND CENTRAL NEBRASKA PANHANDLE. THE STRONGEST STORM WAS 35 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA OVER WESTERN BANNER COUNTY OF THE CENTRAL NEBRASKA PANHANDLE. ALL THE STORM WERE MOVING TO THE NORTHWEST AT 25 MPH. BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE NORTHWEST ACROSS KIMBALL...BANNER AND SCOTTS BLUFF COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 730 PM MDT. AT 6 PM MDT SKIES WERE MOSTLY CLOUDY TO CLOUDY ACROSS THE NEBRASKA PANHANDLE WITH TEMPERATURES RANGEING FROM 71 DEGREES AT SIDNEY TO 77 DEGREES AT CHADRON NEBRASKA. THE WIND WAS GENERALLY FROM THE SOUTH!EAST AT 10 TO 20 MPH WITH SOME GUSTS TO 30 MPH. KIRK
Special weather statement, Jun 2, 7:29 PM MDT, 3 hours 26 minutes before
NEZ001-005-011-020230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 725 PM MDT SUN JUN 2 1991 ...THUNDERSTORMS OVER THE SOUTHWEST NEBRASKA PANHANDLE... AT 725 PM MDT...RADAR INDICATED THUNDERSTORMS SCATTERED ACROSS KIMBALL ...BANNER AND SOUTHWEST SCOTTS BLUFF COUNTIES OF THE SOUTHERN AND CENTRAL NEBRASKA PANHANDLE. THE STRONGEST STORM WAS 35 MILES SOUTH OF SCOTTSBLUFF NEBRASKA OVER THE BANNER/KIMBALL COUNTY LINE. ALL THE STORMS WERE MOVING TO THE NORTHWEST AT 25 MPH. AT 720 PM MDT KIMBALL COUNTY CIVIL DEFENSE REPORTED VERY HEAVY RAIN AND 1/4 TO 1/2 INCH HAIL ON INTERSTATE 80 NEAR BUSHNELL OR 45 MILES WEST OF SIDNEY NEBRASKA. BRIEF HEAVY RAIN...STRONG GUSTY WINDw AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE NORTHWEST ACROSS KIMBALL...BANNER AND SCOTTS BLUFF COUNTY OF THE NEBRASKA PANHANDLE UNTIL 830 PM MDT. KIRK
Special weather statement, Jun 2, 7:44 PM MDT, 3 hours 11 minutes before
WYZ012-030215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 744 PM MDT SUN JUN 2 1991 ...A STRONG THUNDERSTORM WAS MOVING INTO THE LA GRANGE AREA OF SOUTHERN GOSHEN COUNTY AT 740 PM... RADAR SHOWED A STRONG THUNDERSTORM ABOUT 30 MILES SOUTH OF TORRINGTON MOVING RIGHT TOWARDS THE TOWN OF LA GRANGE. HAIL...GUSTY WINDS...AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM. PEOPLE IN SOUTHERN GOSHEN COUNTY...ESPECIALLY IN LA GRANGE...SHOULD GO TO A SAFE PLACE SUCH AS A BASEMENT AND WAIT FOR THE STORM TO PASS. JAD
Special weather statement, Jun 2, 8:16 PM MDT, 2 hours 39 minutes before
WYZ016-017-030300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 815 PM MDT SUN JUN 2 1991 ...THE THUNDERSTORM WATCH FOR THE SOUTHEAST CORNER OF WYOMING HAS BEEN ALLOWED TO EXPIRE... AT 805 PM MDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORMS IN SOUTHEAST WYOMING WERE WEAKENING. THERFORE...THE SEVERE THUNDERSTORM WATCH FOR THE SOUTHEAST CORNER OF WYOMING HAS BEEN ALLOWED TO EXPIRE. LIGHT TO MODERATE RAINFALL WILL CONTINUE IN SOUTHEAST WYOMING THROUGH MIDNIGHT. WITH THE GROUND ALREADY SATURATED...FLOODING OF ROADWAYS AND LOW LYING AREAS CAN BE EXPECTED THROUGH THE EVENING. PEOPLE IN SOUTHEAST WYOMING ARE REMINDED THAT A FLASH FLOOD WATCH RELMAINS IN EFFECT UNTIL 200 AM MDT MONDAY MORNING. IF YOU ENCOUNTER RAPIDLY RISING WATERS..CLIMB TO HIGHER GROUND IMMEDIATELY. DO NOT ATTEMPT TO CROSS FAST MOVING WATERS OR DRIVE THROUGH WATER OF UNKNOWN DEPTH. VIRGILLITO
Special weather statement, Jun 2, 8:20 PM MDT, 2 hours 35 minutes before
WYZ016-017-030300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 819 PM MDT SUN JUN 2 1991 ...THE SEVERE THUNDERSTORM WATCH FOR THE SOUTHEAST CORNER OF WYOMING HAS BEEN ALLOWED TO EXPIRE... AT 805 PM MDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORMS IN SOUTHEAST WYOMING WERE WEAKENING. THERFORE...THE SEVERE THUNDERSTORM WATCH FOR THE SOUTHEAST CORNER OF WYOMING HAS BEEN ALLOWED TO EXPIRE. LIGHT TO MODERATE RAINFALL WILL CONTINUE IN SOUTHEAST WYOMING THROUGH MIDNIGHT. WITH THE GROUND ALREADY SATURATED...FLOODING OF ROADWAYS AND LOW LYING AREAS CAN BE EXPECTED THROUGH THE EVENING. PEOPLE IN SOUTHEAST WYOMING ARE REMINDED THAT A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 200 AM MDT MONDAY MORNING. IF YOU ENCOUNTER RAPIDLY RISING WATERS..CLIMB TO HIGHER GROUND IMMEDIATELY. DO NOT ATTEMPT TO CROSS FAST MOVING WATERS OR DRIVE THROUGH WATER OF UNKNOWN DEPTH. CORRECTED FORV OMMISION OF SEVERE IN HIGHLIGHT SENTENCE VIRGILLITO
Special weather statement, Jun 2, 8:42 PM MDT, 2 hours 13 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 12:52 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes | 38 min |
| Jun 3, 1:23 PM MDT | Tornado Warning | CYS | Sioux | 37 min |
| Jun 3, 1:56 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 34 min |
| Jun 3, 4:49 PM MDT | Tornado Warning | CYS | Banner | 26 min |
| Jun 3, 5:09 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 36 min |
| Jun 3, 5:20 PM MDT | Tornado Warning | CYS | Banner | 25 min |
| Jun 2, 8:10 PM MDT | Flash Flood Warning | CYS | Laramie | 3 hr |
| Jun 2, 8:38 PM MDT | Flash Flood Warning | CYS | Goshen | 2 hr |
Nearby
Flash Flood Warnings in Wyoming, 1991Every flash flood warning in 1991
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.