Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 72, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 4, 1994, 8:11 PM CDT for Boyd County, Nebraska. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1994, 8:11 PM CDT (01:11 UTC)
- Expired
- Jul 4, 1994, 8:45 PM CDT
- In force
- 34 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Boyd County, NE
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 1.2 hours before the alert went out and 224 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
- 2414 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1614 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KOFK 050112 RRA SVROFK NEC015-050145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 811 PM CDT MON JUL 4 1994 THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NEBRASKA ...BOYD COUNTY AT 810 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 35 MILES NORTHWEST OF O NEILL ALONG THE NIOBRARA RIVER SOUTH OF NAPER. THE STORM WAS MOVING EAST AT 25 MPH AND PERSONS IN THE TOWNS OF BUTTE...ANOKA AND SPENCER SHOULD BE PREPARED TO TAKE SHELTER IMMEDIATELY. IF YOU ARE OUTSIDE...TAKE SHELTER IN A STRONG BUILDING. REMAIN INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. TAKE SHELTER IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. BOWMAN
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 4, 4:54 PM CDT, 3 hours 17 minutes before
NEZ038-059-071-042255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 455 PM CDT MON JUL 4 1994 ...SHOWERS AND THUNDERSTORMS MOVING INTO WEST CENTRAL NEBRASKA... AT 450 PM CDT RADAR INDICATED A 10 MILE WIDE AREA OF VERY STRONG THUNDER STORMS OCCURRING ABOUT 5 MILES SOUTH OF HYANNIS NEBRASKA...WHICH IS ABOUT 45 MILES EAST OF ALLIANCE. THESE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAINS AND POSSIBLY SMALL HAIL AS THEY MOVE NORzTHEAST ABOUT 30 MPH ACROSS WEST CENTRAL NEBRASKA. RN
Special weather statement, Jul 4, 6:21 PM CDT, 1 hour 50 minutes before
NEZ038-059-071-050120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 620 PM CDT MON JUL 4 1994 ...SHOWERS AND THUNDERSTORMS MOVING ACROSS WEST CENTRAL NEBRASKA... AT 620 PM CDT RADAR INDICATED A 20 MILE WIDE AREA OF VERY STRONG THUNDER STORMS OCCURRING ABOUT 5 MILES WEST OF MULLEN NEBRASKA...WHICH IS ABOUT 53 MILES SOUTH SOUTHWEST OF VALENTINE NEBRASKA. THE AREA EXTENDED SOUTHWEST OVER NORTHWEST HOOKER AND CENTRAL GRANT COUNTY OF NEBRASKA. THESE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAINS AND POSSIBLY SMALL HAIL AND BRIEF GUSTY WINDS AS THEY MOVE NORTHEAST ACROSS WEST CENTRAL NEBRASKA ABOUT 30 MPH. RN
Special weather statement, Jul 4, 7:22 PM CDT, 49 minutes before
NEZ005-050130-
SPECIAL WEATHER STATEMENT...CORRECTED FOR ISSUANCE DATE
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF
622 PM MDT MON JUL 4 1994
...SEVERE THUNDERSTORM WATCH FOR CHERRY COUNTY IN EFFECT UNTIL 1AM MDT
(2 AM CDT)...
AT 621 PM MDT RADAR SHOWED A FEW AREAS OF ISOLATED THUNDERSTORMS ACROSS
THE CENTRAL PART OF CHERRY COUNTY. THE STRONGEST STORM WAS LOCATED
30 MILES SOUTH OF MERRIMAN NEBRASKA OR 55 MILES WEST OF BROWNLEE MOVING
EAST AT 35 MILES AN HOUR.
BRIEF HEAVY RAIN...GUSTY WIND...DEADLY LIGHTNING AND SOME SMALL HAIL
WILL LIKELY OCCUR WITH THE STORMS OVER CHERRY COUNTY THROUGH 730 PM
MDT (830 PM CDT)
EASTLACKSpecial weather statement, Jul 4, 8:08 PM CDT, 3 minutes before
NEZ023>025-035>038-057>059-069>071-050210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 808 PM CDT MON JUL 4 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 2 AM CDT FOR ALL OF SOUTHWEST AND WEST CENTRAL NEBRASKA EXCEPT FOR FRONTIER...CHASE AND HAYES COUNTIES... AT 804 PM CDT THE SEVERE THUNDERSTORM WHICH HAS BEEN MOVING ACROSS HOOKER COUNTY HAS DECREASED IN INTENSITY AND NO LONGER IS A THREAT TO PRODUCE SEVERE WEATHER. VERY STRONG THUNDERSTORMS WERE MOVING IN ON LAKE MCCONAUGHY AND THE OGALLALA AREA. THESE STORMS WERE ABOUT 65 MILES WEST OF NORTH PLATTE AND AS THEY MOVE EAST ACROSS LAKE MCCONAUGHY THEY MAY PRODUCE WINDS FROM 40 TO 50 MILES AN HOUR ALONG WITH SMALL HAIL. CAMPERS AND BOATERS IN THIS AREA SHOULD MOVE TO A PLACE OF SAFETY IMMEDIATELY. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION. MONSON
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 7:21 PM CDT | Severe Thunderstorm Warning | LBF | Hooker | 39 min |
| Jul 4, 9:59 PM CDT | Severe Thunderstorm Warning | LBF | Keith | 31 min |
| Jul 4, 10:22 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt | 38 min |
| Jul 4, 10:22 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Wheeler | 38 min |
| Jul 4, 10:30 PM CDT | Severe Thunderstorm Warning | LBF | Keith | 30 min |
| Jul 4, 10:54 PM CDT | Severe Thunderstorm Warning | LBF | Antelope, Knox, Pierce | 66 min |
| Jul 4, 10:54 PM CDT | Severe Thunderstorm Warning | LBF | Boone, Madison, Platte | 66 min |
| Jul 4, 11:04 PM CDT | Severe Thunderstorm Warning | LBF | Keith, McPherson | 56 min |
| Jul 4, 11:49 PM CDT | Severe Thunderstorm Warning | LBF | Colfax, Cuming, Stanton, Wayne | 56 min |
| Jul 4, 11:49 PM CDT | Severe Thunderstorm Warning | LBF | Cedar | 56 min |
| Jul 4, 11:52 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 38 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994
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.