Alert archive / Wyoming / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 19, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 28, 1993, 5:38 PM MDT for Goshen County, Laramie County, Wyoming. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- May 28, 1993, 5:38 PM MDT (23:38 UTC)
- Expired
- May 28, 1993, 6:45 PM MDT
- In force
- 67 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Goshen County, WY, Laramie County, WY
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 11.6 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
- 1389 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 62 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 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
Special weather statement, May 28, 4:20 PM MDT, 1 hour 18 minutes before
WYZ059>062-067>073-282330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT FRI MAY 28 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF SOUTHEAST WYOMING UNTIL 900 PM... THE SEVERE THUNDERSTORM WATCH FOR MOST OF SOUTHEAST WYOMING REMAINS IN EFFECT UNTIL 900 PM. THE WATCH MEANS THAT THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS...LARGE HAIL AND HEAVY RAINFALL. AT 420 PM...THUNDERSTORMS CONTINUED OVER SOUTHEAST WYOMING. MANY OF THE STORMS WERE PRODUCING HEAVY RAIN. THE STORMS WERE MAINLY IN A LINE FROM 15 MILES NORTHWEST OF CHEYENNE TO JUST SOUTH OF TORRINGTON. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED IN SOUTHEAST WYOMING SO FAR THIS AFTERNOON. THE INTENSE THUNDERSTORMS OVER THE AREA AT 420 PM WERE PRODUCING HEAVY RAIN...WIND GUSTS TO 35 MILES AN HOUR...SMALL HAIL AND DANGEROUS LIGHTNING. THUNDERSTORMS WIKL CONTINUE IN SOUTHEAST WYOMING THROUGH TBE EVENING HOURS. DURING THAT TIME...SOME OF THE STORMS MAY PRODUCE SEVERE WEATHER. WHEN A THUNDERSTORM APPROACHES...MOVE INDOORS FOR SAFETY. LIGHTNING CAN BE DEADLY. WYJIN-WYSE WEILAND
Special weather statement, May 28, 4:23 PM MDT, 1 hour 15 minutes before
WYZ059>062-067>073-282330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT FRI MAY 28 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF SOUTHEAST WYOMING UNTIL 900 PM... THE SEVERE THUNDERSTORM WATCH FOR MOST OF SOUTHEAST WYOMING REMAINS IN EFFECT UNTIL 900 PM. THE WATCH MEANS THAT THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS...LARGE HAIL AND HEAVY RAINFALL. AT 420 PM...THUNDERSTORMS CONTINUED OVER SOUTHEAST WYOMING. MANY OF THE STORMS WERE PRODUCING HEAVY RAIN. THE STORMS WERE MAINLY IN A LINE FROM 15 MILES NORTHWEST OF CHEYENNE TO JUST SOUTH OF TORRINGTON. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED IN SOUTHEAST WYOMING SO FAR THIS AFTERNOON. THE INTENSE THUNDERSTORMS OVER THE AREA AT 420 PM WERE PRODUCING HEAVY RAIN...WIND GUSTS TO 35 MILES AN HOUR...SMALL HAIL AND DANGEROUS LIGHTNING. THUNDERSTORMS WIKL CONTINUE IN SOUTHEAST: WYOMING THROUGH TBE EVENING HOURS. DURING THAT TIME...SOME OF THE STORMS MAY PRODUCE SEVERE WEATHER. WHEN A THUNDERSTORM APPROACHES...MOVE INDOORS FOR SAFETY. LIGHTNING CAN BE DEADLY. WYJIN-WYSE WEILAND
Special weather statement, May 28, 4:50 PM MDT, 48 minutes before
WYZ059>062-067>073-290030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 450 PM MDT FRI MAY 28 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF SOUTHEAST WYOMING UNTIL 900 PM... THE SEVERE THUNDERSTORM WATCH FOR MOST OF SOUTHEAST WYOMING REMAINS IN EFFECT UNTIL 900 PM. THE WATCH MEANS THAT THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS...LARGE HAIL AND HEAVY RAINFALL. AT 440 PM...INTENSE THUNDERSTORMS CONTINUED OVER SOUTHEAST WYOMING. THE STORMS WERE PRODUCING HEAVY RAIN...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING. THE INTENSE STORMS WERE LOCATED FROM 15 MILES SOUTH OF TORRINGTON TO 5 MILES NORTH OF CHEYENNE. IN ADDITION...INTENSE THUNDERSTORMS HAD DEVELOPED ABOUT 15 MILES EAST OF CHEYENNE. NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY OF THE INTENSE STORMS. HOWEVER...ONE HALF INCH DIAMETER HAIL WAS REPORTED 20 MILES SOUTH OF TORRINGTON AT 430 PM. HEAVY RAIN WAS NOTED WITH MOST STORMS. ALL OF THE STORMS WERE MOVING NORTHEAST...BUT DEVELOPING BACK TO THE SOUTHWEST. AT 445 PM...THREE QUARTER INCH DIAMETER HAIL WAS REPORTED AT NUNN COLORADO. THIS STORM MAY MOVE INTO SOUTHERN LARAMIE COUNTY BY 515 PM. THUNDERSTORMS WILL CONTINUE IN SOUTHEAST WYOMING THROUGH THE EVENING HOURS. DURING THAT TIME...SOME OF THE STORMS MAY PRODUCE SEVERE WEATHER. WHEN A THUNDERSTORM APPROACHES...MOVE INDOORS FOR SAFETY. BE AWARE OF THE POTENTIAL FOR HEAVY RAIN AND FLASH FLOODING. DO NOT ATTEMPT TO CROSS ROADS OR BRIDGES WHERE WATER IS RUNNING OVER. WYJIN-WYSE WEILAND
Special weather statement, May 28, 4:56 PM MDT, 42 minutes before
WYZ059>062-067>073-290030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 450 PM MDT FRI MAY 28 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF SOUTHEAST WYOMING UNTIL 900 PM... THE SEVERE THUNDERSTORM WATCH FOR MOST OF SOUTHEAST WYOMING REMAINS IN EFFECT UNTIL 900 PM. THE WATCH MEANS THAT THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS...LARGE HAIL AND HEAVY RAINFALL. AT 440 PM...INTENSE THUNDERSTORMS CONTINUED OVER SOUTHEAST WYOMING. THE STORMS WERE PRODUCING HEAVY RAIN...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING. THE INTENSE STORMS WERE LOCATED FROM 15 MILES SOUTH OF TORRINGTON TO 5 MILES NORTH OF CHEYENNE. IN ADDITION...INTENSE THUNDERSTORMS HAD DEVELOPED ABOUT 15 MILES EAST OF CHEYENNE. NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY OF THE INTENSE STORMS. HOWEVER...ONE HALF INCH DIAMETER HAIL WAS REPORTED 20 MILES SOUTH OF TORRINGTON AT 430 PM. HEAVY RAIN WAS NOTED WITH MOST STORMS. ALL OF THE STORMS WERE MOVING NORTHEAST...BUT DEVELOPING BACK TO THE SOUTHWEST. AT 445 PM...THREE QUARTER INCH DIAMETER HAIL WAS REPORTED AT NUNN COLORADO. THIS STORM MAY MOVE INTO SOUTHERN LARAMIE COUNTY BY 515 PM. THUNDERSTORMS WILL CONTINUE IN SOUTHEAST WYOMING THROUGH THE EVENING HOURS. DURING THAT TIME...SOME OF THE STORMS MAY PRODUCE SEVERE WEATHER. WHEN A THUNDERSTORM APPROACHES...MOVE INDOORS FOR SAFETY. BE AWARE OF THE POTENTIAL FOR HEAVY RAIN AND FLASH FLOODING. DO NOT ATTEMPT TO CROSS ROADS OR BRIDGES WHERE WATER IS RUNNING OVER. WYJIN-WYSE WEILAND
Special weather statement, May 28, 5:30 PM MDT, 8 minutes before
NEZ001-005-011-290230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 530 PM MDT FRI MAY 28 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM MDT FOR ALL OF THE NEBRASKA PANHANDLE... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM MDT FOR ALL OF THE NEBRASKA PANHANDLE. AT 528 PM RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER EASTERN WYOMING JUST WEST OF THE NEBRASKA BORDER. THESE STORMS HAD SHOWN LITTLE MOVEMENT. SHOWERS AND THUNDERSTORMS WILL STILL BE POSSIBLE OVER PRIMARILY THE WESTERN PANHANDLE THROUGH EARLY THIS EVENING. OTHERWISE SKIES SHOULD BE PARTLY CLOUDY TO CLOUDY OVER ALL OF THE PANHANDLE. TEMPERATUURES SHOULD COOL OFF INTO THE MID 60S TO LOWER 70S BY 8 PM. RESIDENTS OF THE PANHANDLE SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS BY LISTENING TO NOAA WEATHER RADIO OR LOCAL RADIO/TELEVISION STATIONS. EMANUEL
Special weather statement, May 28, 5:32 PM MDT, 6 minutes before
NEZ001-005-011-290230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 530 PM MDT FRI MAY 28 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM MDT FOR ALL OF THE NEBRASKA PANHANDLE... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM MDT FOR ALL OF THE NEBRASKA PANHANDLE. AT 528 PM RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER EASTERN WYOMING JUST WEST OF THE NEBRASKA BORDER. THESE STORMS HAD SHOWN LITTLE MOVEMENT. SHOWERS AND THUNDERSTORMS WILL STILL BE POSSIBLE OVER PRIMARILY THE WESTERN PANHANDLE THROUGH EARLY THIS EVENING. OTHERWISE SKIES SHOULD BE PARTLY CLOUDY TO CLOUDY OVER ALL OF THE PANHANDLE. TEMPERATUURES SHOULD COOL OFF INTO THE MID 60S TO LOWER 70S BY 8 PM. RESIDENTS OF THE PANHANDLE SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS BY LISTENING TO NOAA WEATHER RADIO OR LOCAL RADIO/TELEVISION STATIONS. EMANUEL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | Washakie | 49 min |
| May 27, 9:20 PM MDT | Severe Thunderstorm Warning | CYS | Johnson | 40 min |
| May 28, 5:02 PM MDT | Severe Thunderstorm Warning | CYS | Johnson | 28 min |
| May 28, 5:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 42 min |
| May 28, 5:52 PM MDT | Tornado Warning | CYS | Goshen | 28 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 1993Every severe thunderstorm warning in 1993
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.