Alert archive / Nebraska / Tornado Warnings in 1993
Tornado Warning 17, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 2, 1993, 10:09 PM MDT for Sioux County, Nebraska. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 10:09 PM MDT (04:09 UTC)
- Expired
- Jul 2, 1993, 10:45 PM MDT
- In force
- 36 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, 4.2 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
- 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
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 030409
TORBFF
NEC165-030445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1009 PM MDT FRI JUL 2 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1045 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE PANHANDLE OF NEBRASKA
NORTHERN SIOUX
AT 1007 PM MDT RADAR INDICATED A TORNADO 50 MILES WEST OF CHADRON
NEBRASKA MOVING TO THE EAST AT 25 MP&H.
GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
RENZWhat forecasters said that day
The local office's own words before this tornado 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, 6:52 PM MDT, 3 hours 17 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, 2 hours 49 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, 2 hours 48 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, 2 hours 34 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
Special weather statement, Jul 2, 9:20 PM MDT, 49 minutes before
WYZ068>070-030400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 920 PM MDT FRI JUL 2 1993 ...A TORNADO WATCH REMAINS IN EFFECT FOR EASTERN PLATTE AND ALL OF GOSHEN COUNTY UNTIL MIDNIGHT... MOST OF THE THUNDERSTORMS HAVE AT LEAST TEMPORARILY MOVED OUT OF SOUTHEAST WYOMING INTO NEBRASKA. A FEW WEAK THUNDERSTORMS HAVE DEVELOPED OVER LARAMIE COUNTY SINCE 830 PM HOWEVER. THESE STORMS WERE MOVING NORTHEAST. PEOPLE IN PLATTE AND GOSHEN COUNTIES OF SOUTHEAST WYOMING SHOULD REMAIN ALERT TO ANY THUNDERSTORMS IN YOUR AREA THIS EVENING. IF THREATENING WEATHER APPROACHES...MOVE INDOORS AND WAIT FOR THE STORM TO PASS. WCJIN-WYSE JAD
Special weather statement, Jul 2, 9:21 PM MDT, 48 minutes before
WYZ068>070-030400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 920 PM MDT FRI JUL 2 1993 ...A TORNADO WATCH REMAINS IN EFFECT FOR EASTERN PLATTE AND ALL OF GOSHEN COUNTY UNTIL MIDNIGHT... MOST OF THE THUNDERSTORMS HAVE AT LEAST TEMPORARILY MOVED OUT OF SOUTHEAST WYOMING INTO NEBRASKA. A FEW WEAK THUNDERSTORMS HAVE DEVELOPED OVER LARAMIE COUNTY SINCE 830 PM HOWEVER. THESE STORMS WERE MOVING NORTHEAST. PEOPLE IN PLATTE AND GOSHEN COUNTIES OF SOUTHEAST WYOMING SHOULD REMAIN ALERT TO ANY THUNDERSTORMS IN YOUR AREA THIS EVENING. IF THREATENING WEATHER APPROACHES...MOVE INDOORS AND WAIT FOR THE STORM TO PASS. WCJIN-WYSE JAD
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, 8:48 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 27 min |
| Jul 2, 9:18 PM MDT | Tornado Warning | CYS | Sioux | 27 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 |
Nearby
Tornado Warnings in Nebraska, 1993Every tornado warning in 1993Tornadoes 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.