Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 52, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 16, 1993, 8:19 PM MDT for Box Butte County, Nebraska. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1993, 8:19 PM MDT (02:19 UTC)
- Expired
- Jun 16, 1993, 8:45 PM MDT
- In force
- 26 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Box Butte County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 2.3 hours before the alert went out and 206 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
- 26 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1012 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 313 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, Jun 16, 5:35 PM MDT, 2 hours 44 minutes before
WYZ033-034-063-064-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 535 PM MDT WED JUN 16 1993 ...STRONG THUNDERSTORMS HAVE DEVELOPED IN SOUTH CENTRAL WYOMING... A STRONG THUNDERSTORM HAS DEVELOPED IN THE WAMSUTTER AREA OF SOUTH CENTRAL WYOMING. AT 515 PM THIS AFTERNOON RADAR INDICATED THAT THIS STORM WAS MOVING NORTHEAST AROUND 35 MILES AN HOUR. STRONG WINDS...FREQUENT LIGHTNING...AND STEADY RAIN HAVE BEEN REPORTED IN AND AROUND THE WAMSUTTER AREA. THIS STORM IS EXPECTED TO CONTINUE FOR THE NEXT NEXT HOUR OR TWO. PEOPLE IN SOUTH CENTRAL WYOMING ARE URGED TO KEEP AN EYE ON THE SKY. TAKE SHELTER IF THREATENING WEATHER APPROACHES. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 10 PM TONIGHT FOR EAST CENTRAL AND MUCH OF SOUTHEAST WYOMING. WCJIN-WYSW-WYSE- CGB
Special weather statement, Jun 16, 7:00 PM MDT, 1 hour 19 minutes before
WYZ031-033-170230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 700 PM MDT WED JUN 16 1993 ...STRONG THUNDERSTORMS ARE MOVING ACROSS SOUTHWEST WYOMING... AROUND 645 PM THIS EVENING A STRONG THUNDERSTORM WAS REPORTED ABOUT 25 MILES WEST OF ROCK SPRINGS. THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. THUNDERSTORMS ARE EXPECTED TO CONTINUE IN SOUTHWEST WYOMING FOR THE NEXT HOUR OR TWO. DANGEROUS LIGHTNING...HAIL...STRONG GUSTY WINDS... AND BRIEF HEAVY RAINS CAN BE EXPECTED. PEOPLE IN SOUTHEAST WYOMING ARE URGED TO REMAIN ALERT. IF THREATENING WEATHER APPROACHES...TAKE SHELTER. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM THIS EVENING FOR EAST CENTRAL AND MUCH OF SOUTHEAST WYOMING. WCJIN-WYSW- CGB
Special weather statement, Jun 16, 7:00 PM MDT, 1 hour 19 minutes before
WYZ031-033-170230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 700 PM MDT WED JUN 16 1993 ...STRONG THUNDERSTORMS ARE MOVING ACROSS SOUTHWEST WYOMING... AROUND 645 PM THIS EVENING A STRONG THUNDERSTORM WAS REPORTED ABOUT 25 MILES WEST OF ROCK SPRINGS. THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. THUNDERSTORMS ARE EXPECTED TO CONTINUE IN SOUTHWEST WYOMING FOR THE NEXT HOUR OR TWO. DANGEROUS LIGHTNING...HAIL...STRONG GUSTY WINDS... AND BRIEF HEAVY RAINS CAN BE EXPECTED. PEOPLE IN SOUTHEAST WYOMING ARE URGED TO REMAIN ALERT. IF THREATENING WEATHER APPROACHES...TAKE SHELTER. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM THIS EVENING FOR EAST CENTRAL AND MUCH OF SOUTHEAST WYOMING. WCJIN-WYSW- CGB
Special weather statement, Jun 16, 7:41 PM MDT, 38 minutes before
WYZ031-170245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 741 PM MDT WED JUN 16 1993 ...STRONG THUNDERSTORMS WERE IN NORTHWEST SWEETWATER COUNTY... AT 740 PM MDT...RADAR SHOWED A STRONG THUNDERSTORM NEAR FARSON. THIS IS 40 MILES NORTHWEST OF ROCK SPRINGS. A STORM SPOTTER IN THE AREA REPORTED SOME HEAVY RAIN AND FREQUENT LIGHTNING. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 20 TO 25 MILES AN HOUR. THE THUNDERSTORM MAY ALSO PRODUCE SOME SMALL HAIL. PEOPLE IN NORTHWEST SWEETWATER COUNTY AROUND FARSON SHOULD REMAIN ALERT FOR THUNDERSTORMS AND MOVE TO SHELTER AS THEY APPROACH. WITH FREQUENT LIGHTNING...THUNDERSTORMS CAN BE VERY DANGEROUS. WCJIN-WYSW- BAKER
Special weather statement, Jun 16, 7:44 PM MDT, 35 minutes before
WYZ031-170245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 741 PM MDT WED JUN 16 1993 ...STRONG THUNDERSTORMS WERE IN NORTHWEST SWEETWATER COUNTY... AT 740 PM MDT...RADAR SHOWED A STRONG THUNDERSTORM NEAR FARSON. THIS IS 40 MILES NORTHWEST OF ROCK SPRINGS. A STORM SPOTTER IN THE AREA REPORTED SOME HEAVY RAIN AND FREQUENT LIGHTNING. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 20 TO 25 MILES AN HOUR. THE THUNDERSTORM MAY ALSO PRODUCE SOME SMALL HAIL. PEOPLE IN NORTHWEST SWEETWATER COUNTY AROUND FARSON SHOULD REMAIN ALERT FOR THUNDERSTORMS AND MOVE TO SHELTER AS THEY APPROACH. WITH FREQUENT LIGHTNING...THUNDERSTORMS CAN BE VERY DANGEROUS. WCJIN-WYSW- BAKER 4
Special weather statement, Jun 16, 7:45 PM MDT, 34 minutes before
WYZ058-059-060-061-062-066-067-068-069-070-170330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 745 PM MDT WED JUN 16 1993 ...THE TORNADO WATCH FOR CENTRAL AND MUCH OF SOUTHEAST WYOMING IS NO LONGER IN EFFECT... THE STRONG THUNDERSTORMS WHICH MOVED ACROSS PARTS OF EASTERN WYOMING EARLIER HAVE MOVED OUT OF THE STATE. ALTHOUGH A FEW STORMS STILL LINGER...THEY ARE WEAKENING. THE SEVERE WEATHER THREAT FOR PARTS OF EASTERN WYOMING HAS ENDED. THEREFORE...AS OF 830 PM THIS EVENING...THE TORNADO WATCH ISSUED EARLIER IS NO LONGER IN EFFECT. WCJIN-WYNE-WYSE- CGB
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:23 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 37 min |
| Jun 16, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 31 min |
| Jun 16, 6:50 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 25 min |
| Jun 16, 7:18 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 27 min |
| Jun 16, 7:48 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 27 min |
| Jun 16, 7:51 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 39 min |
| Jun 16, 8:04 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 26 min |
| Jun 16, 8:09 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 36 min |
| Jun 16, 8:49 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 26 min |
| Jun 16, 8:59 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sheridan | 25 min |
| Jun 16, 6:07 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 53 min |
| Jun 16, 6:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 47 min |
| Jun 16, 7:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 47 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 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.