Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 46, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 16, 1993, 7:18 PM MDT for Sioux County, Nebraska. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1993, 7:18 PM MDT (01:18 UTC)
- Expired
- Jun 16, 1993, 7:45 PM MDT
- In force
- 27 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sioux County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 1.3 hours before the alert went out and 190 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, 5:31 PM MDT, 1 hour 47 minutes before
NEZ001-005-011-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 531 PM MDT WED JUN 16 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE NORTHERN PANHANDLE AND FOR SCOTTS BLUFF COUNTY... AT 527 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHERN SIOUX COUNTY. THE STORM WAS 47 MILES WEST OF CHADRON...OR FROM 5 MILES WEST TO 8 MILES NORTH OF HARRISON. THE STORM WAS MOVING EAST AT 35 MILES AN HOUR AND SHOULD BE IN THE HARRISON VICINITY BY 545 PM MDT. HAIL WAS REPORTED FROM THIS STORM IN WYOMING. PEOPLE SHOULD BE ON THE LOOKOUT FOR BRIEF HEAVY RAIN...GUSTY WINDS...HAIL AND DANGEROUS LIGHTNING WITH THIS STORM OVER NORTHERN SIOUX COUNTY THROUGH 630 PM MDT. KYLE
Special weather statement, Jun 16, 5:31 PM MDT, 1 hour 47 minutes before
NEZ001-005-011-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 531 PM MDT WED JUN 16 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE NORTHERN PANHANDLE AND FOR SCOTTS BLUFF COUNTY... AT 527 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHERN SIOUX COUNTY. THE STORM WAS 47 MILES WEST OF CHADRON...OR FROM 5 MILES WEST TO 8 MILES NORTH OF HARRISON. THE STORM WAS MOVING EAST AT 35 MILES AN HOUR AND SHOULD BE IN THE HARRISON VICINITY BY 545 PM MDT. HAIL WAS REPORTED FROM THIS STORM IN WYOMING. PEOPLE SHOULD BE ON THE LOOKOUT FOR BRIEF HEAVY RAIN...GUSTY WINDS...HAIL AND DANGEROUS LIGHTNING WITH THIS STORM OVER NORTHERN SIOUX COUNTY THROUGH 630 PM MDT. KYLE
Special weather statement, Jun 16, 5:33 PM MDT, 1 hour 45 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 REMAI4NS IN EFFECT UNTIL 10 PM TONIGHT FOR EAST CENTRAL AND MUCH OF SOUTHEAST WYOMING. WCJIN-WYSW-WYSE- CGB
Special weather statement, Jun 16, 5:35 PM MDT, 1 hour 43 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, 18 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, 18 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
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, 7:48 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, 8:19 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 26 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.