Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 82, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 2, 1993, 8:48 PM MDT for Dawes County, Sioux County, Nebraska. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 8:48 PM MDT (02:48 UTC)
- Expired
- Jul 2, 1993, 9:15 PM MDT
- In force
- 27 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Dawes County, NE, Sioux County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 2.8 hours before the alert went out and 169 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
- 659 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 1616 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
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, Jul 2, 6:07 PM MDT, 2 hours 41 minutes before
WYZ068-069-030100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 605 PM MDT FRI JUL 2 1993 ...A STRONG THUNDERSTORM HAD POPPED UP NEAR WHEATLAND IN CENTRAL PLATTE COUNTY OF SOUTHEAST WYOMING AT 600 PM... THE STORM WAS LOCATED JUST SOUTH OF WHEATLAND AND WAS MOVING NORTHEAST AT ABOUT 30 MPH. THIS STORM WILL LIKELY PRODUCE SOME SMALL HAIL AND LOCALLY HEAVY RAIN IN AND AROUND THE WHEATLAND AREA UNTIL 630 PM. PEOPLE IN PLATTE COUNTY OF SOUTHEAST WYOMING SHOULD BE READY TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. WCJIN-WYSE JAD
Special weather statement, Jul 2, 6:52 PM MDT, 1 hour 56 minutes before
WYZ0070-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 652 PM MDT FRI JUL 2 1993 ...A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHERN GOSHEN COUNTY OF SOUTHEAST WYOMING AT 650 PM... THE STORM WAS LOCATED ABOUT 20 MILES NORTHWEST OF TORRINGTON. IT WAS MOVING NORTHEAST AT ABOUT 40 MPH...AND WILL MOVE INTO NEBRASKA BY 730 PM. HAIL AND HEAVY RAIN WILL LIKELY OCCUR WITH THIS STORM. PEOPLE IN NORTHERN GOSHEN COUNTY OF SOUTHEAST WYOMING SHOULD BE READY TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. WCJIN-WYSE JAD
Special weather statement, Jul 2, 6:52 PM MDT, 1 hour 56 minutes before
WYZ0070-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 652 PM MDT FRI JUL 2 1993 ...A STRONG THUNDERSTORM WAS MOVING THROUGH NORTHERN GOSHEN COUNTY OF SOUTHEAST WYOMING AT 650 PM... THE STORM WAS LOCATED ABOUT 20 MILES NORTHWEST OF TORRINGTON. IT WAS MOVING NORTHEAST AT ABOUT 40 MPH...AND WILL MOVE INTO NEBRASKA BY 730 PM. HAIL AND HEAVY RAIN WILL LIKELY OCCUR WITH THIS STORM. PEOPLE IN NORTHERN GOSHEN COUNTY OF SOUTHEAST WYOMING SHOULD BE READY TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. WCJIN-WYSE JAD
Special weather statement, Jul 2, 7:20 PM MDT, 1 hour 28 minutes before
WYZ053-058-060>062-068>070-030200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 720 PM MDT FRI JUL 2 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR EAST CENTRAL WYOMING EFFECTIVE UNTIL MIDNIGHT... THUNDERSTORMS HAVE DEVELOPED VERY QUICKLY ACROSS PARTS OF EAST CENTRAL WYOMING SINCE 6 PM. THESE STORMS WERE MOVING INTO A VERY MOIST AIRMASS AND SO A TORNADO WATCH HAS BEEN ISSUED. THE WATCH WILL BE IN EFFECT UNTIL MIDNIGHT. THE STRONGEST STORMS AT 710 PM WERE LOCATED IN NORTHERN NIOBRARA COUNTY WHERE A TORNADO WARNING HAS BEEN ISSUED UNTIL 8 PM. A WATCH MEANS THAT SOME OF THE STORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL...STRONG WINDS AND POSSIBLY TORNADOES. PEOPLE IN EAST CENTRAL WYOMING SHOULD KEEP UPDATED ON THE WEATHER SITUATION IN YOUR AREA. IF THREATENING WEATHER APPROACHES...GO INDOORS AND WAIT FOR THE STORM TO PASS. WCJIN-WYSE-WYNE JAD
Special weather statement, Jul 2, 7:21 PM MDT, 1 hour 27 minutes before
WYZ053-058-060>062-068>070-030200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 720 PM MDT FRI JUL 2 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR EAST CENTRAL WYOMING EFFECTIVE UNTIL MIDNIGHT... THUNDERSTORMS HAVE DEVELOPED VERY QUICKLY ACROSS PARTS OF EAST CENTRAL WYOMING SINCE 6 PM. THESE STORMS WERE MOVING INTO A VERY MOIST AIRMASS AND SO A TORNADO WATCH HAS BEEN ISSUED. THE WATCH WILL BE IN EFFECT UNTIL MIDNIGHT. THE STRONGEST STORMS AT 710 PM WERE LOCATED IN NORTHERN NIOBRARA COUNTY WHERE A TORNADO WARNING HAS BEEN ISSUED UNTIL 8 PM. A WATCH MEANS THAT SOME OF THE STORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL...STRONG WINDS AND POSSIBLY TORNADOES. PEOPLE$ IN EAST CENTRAL WYOMING SHOULD KEEP UPDATED ON THE WEATHER SITUATION IN YOUR AREA. IF THREATENING WEATHER APPROACHES...GO INDOORS AND WAIT FOR THE STORM TO PASS. WCJIN-WYSE-WYNE JAD
Special weather statement, Jul 2, 7:35 PM MDT, 1 hour 13 minutes before
NEZ001-005-011-030230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 735 AM MDT FRI JUL 2 1993 ...TORNADO WATCH UNTIL MIDNIGHT MDT FOR THE NORTHERN AND CENTRAL NEBRASKA PANHANDLE... AT 734 PM MDT RADAR INDICATED SHOWERS AND THUNDERSTORM HAD MOVED INTO THE NORTHERN NEBRASKA PANHANDLE. THE THUNDERSTORMS WAS LOCATED 50 MILES SOUTHWEST OF CHADRON OR 40 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA. THE STORM WAS MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. BRIEF HEAVY RAIN...GUSTY WIND...SMALL HAIL AND DANGEROUS LIGHTNING WILL BE POSSIBLE WITH THIS STORM OVER SIOUX COUNTY UNTIL 830 PM MDT. RENZ
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 8:08 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 37 min |
| Jul 2, 9:18 PM MDT | Tornado Warning | CYS | Sioux | 27 min |
| Jul 2, 10:09 PM MDT | Tornado Warning | CYS | Sioux | 36 min |
| Jul 2, 10:59 PM MDT | Tornado Warning | CYS | Sheridan | 31 min |
| Jul 2, 10:59 PM MDT | Tornado Warning | CYS | Dawes | 11 min |
| Jul 2, 7:57 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 48 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.