Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 71, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 25, 1994, 7:24 PM CDT for Dakota County, Dixon County, Nebraska. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1994, 7:24 PM CDT (00:24 UTC)
- Expired
- Jun 25, 1994, 8:02 PM CDT
- In force
- 38 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Dakota County, NE, Dixon County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.4 hours before the alert went out and 128 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
- 665 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1520 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSUX 260023 RRA SVRSUX NEC043-051-260115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX CITY IA 724 PM CDT SAT JUN 25 1994 THE NATIONAL WEATHER SERVICE IN SIOUX CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST NEBRASKA ...DAKOTA COUNTY...DIXON COUNTY AT 720 PM CDT A SEVERE THUNDERSTORM WAS OVER PONCA NEBRASKA OR 15 MILES WEST OF SIOUX CITY. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR. THIS STORM WILL AFFECT THE TOWNS OF JACKSON AND HUBBARD NEBRASKA BETWEEN 730 PM AND 800 PM. 60 TO 70 MILE AN HOUR WIND AND GOLF BALL TO BASEBALL SIZED HAIL WAS REPORTED AT PONCA AT 720 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITHOUT WARNING. IF A TORNADO IS SIGHTED GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR DEPRESSION...COVER YOUR HEAD WITH &
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 25, 5:25 PM CDT, 1 hour 59 minutes before
IAZ021-032-043-013-020-031-NEZ013>015-SDZ071-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 525 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WILL BE NORTHWEST OF SIOUX CITY... STRONG THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST SOUTH DAKOTA THAT WILL MOVE INTO NORTHEAST NEBRASKA. MASKELL AND NEWCASTLE NEBRASKA...OR 30 MILES NORTHWEST OF SIOUX CITY WILL SEE THIS STRONG THUNDERSTORM BETWEEN 6 PM AND 630 PM. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR HEAVY DOWNPOURS OF RAIN...PEA TO MARBLE SIZED HAIL...AND GUSTY WIND UP TO 55 MILES AN HOUR. A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Special weather statement, Jun 25, 6:17 PM CDT, 1 hour 7 minutes before
IAZ021-032-043-013-020-031-NEZ013>015-SDZ071-250015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 617 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WILL BE NORTHWEST OF SIOUX CITY... STRONG THUNDERSTORMS WILL BE NORTHWEST OF A LINE FROM BIG SPRINGS SOUTH DAKOTA OR 30 MILES NORTH OF SIOUX CITY TO BETWEEN NEWCASTLE AND DIXON NEBRASKA BY 715 PM. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. PEOPLE NORTHWEST OF THIS LINE SHOULD BE PREPARED FOR HEAVY DOWNPOURS...PEA TO MARBLE SIZE HAIL...AND GUSTY WIND UP TO 55 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Special weather statement, Jun 25, 6:17 PM CDT, 1 hour 7 minutes before
IAZ021-032-043-013-020-031-NEZ013>015-SDZ071-250015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 617 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WILL BE NORTHWEST OF SIOUX CITY... STRONG THUNDERSTORMS WILL BE NORTHWEST OF A LINE FROM BIG SPRINGS SOUTH DAKOTA OR 30 MILES NORTH OF SIOUX CITY TO BETWEEN NEWCASTLE AND DIXON NEBRASKA BY 715 PM. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. PEOPLE NORTHWEST OF THIS LINE SHOULD BE PREPARED FOR HEAVY DOWNPOURS...PEA TO MARBLE SIZE HAIL...AND GUSTY WIND UP TO 55 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Special weather statement, Jun 25, 6:59 PM CDT, 25 minutes before
SDZ040-055-056-059>062-065>070-MNZ071-072-080-081-089-090-097- 098-IAZ001-002-012-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 657 PM CDT SAT JUN 25 1994 ...TORNADO WATCH FOR SOUTHEASTERN SOUTH DAKOTA AND NORTHWESTERN IOWA HAS BEEN CANCELLED... ...SEVERE THUNDERSTORM WATCH FOR SOUTHWESTERN MINNESOTA HAS BEEN CANCELLED... AT 655 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORMS OVER SOUTHEASTERN SOUTH DAKOTA...NORTHWESTERN IOWA...AND SOUTHWESTERN MINNESOTA HAVE CONTINUED TO DECREASE IN INTENSITY. A COLD FRONT WAS MOVING THROUGH THIS AREA WITH DRIER AND MORE STABLE AIR MOVING IN BEHIND IT. THEREFORE...SEVERE WEATHER IS NO LONGER EXPECTED IN THIS REGION AND THE SEVERE WEATHER WATCHES HAVE BEEN CANCELLED. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED IN EXTREME SOUTHEASTERN SOUTH DAKOTA...25 MILES NORTHWEST OF SIOUX CITY, IA. NO SEVERE WEATHER IS EXPECTED WITH ANY OF THESE STORMS...BUT BRIEF HEAVY RAINFALL...GUSTY WINDS...DANGEROUS LIGHTNING...AND SMALL HAIL ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. GILLISPIE
Special weather statement, Jun 25, 7:17 PM CDT, 7 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-260115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 718 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WAS NORTHWEST OF SIOUX CITY... AT 715 PM CDT A STRONG THUNDERSTORM WAS OVER PONCA NEBRASKA OR 15 MILES NORTHWEST OF SIOUX CITY. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR. THIS STORM WILL AFFECT THE TOWNS OF JACKSON...SOUTH SIOUX CITY NEBRASKA AND JEFFERSON SOUTH DAKOTA BETWEEN 730 AND 800 PM. PEA TO MARBLE SIZE HAIL...WIND GUSTS TO 50 MILES AN HOUR AND HEAVY RAIN IS POSSIBLE WITH THIS STORM. PEOPLE IN THE PATH OF THIS STORM SHOULD BE PREPARED FOR RAPID CHANGES IN THE WEATHER AND SHOULD MONITOR YOUR WEATHER RADIO...TV STATION...OR RADIO STATION FOR POSSIBLE WEATHER WARNINGS. A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Special weather statement, Jun 25, 7:18 PM CDT, 6 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-260115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 718 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WAS NORTHWEST OF SIOUX CITY... AT 715 PM CDT A STRONG THUNDERSTORM WAS OVER PONCA NEBRASKA OR 15 MILES NORTHWEST OF SIOUX CITY. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR. THIS STORM WILL AFFECT THE TOWNS OF JACKSON...SOUTH SIOUX CITY NEBRASKA AND JEFFERSON SOUTH DAKOTA BETWEEN 730 AND 800 PM. PEA TO MARBLE SIZE HAIL...WIND GUSTS TO 50 MILES AN HOUR AND HEAVY RAIN IS POSSIBLE WITH THIS STORM. PEOPLE IN THE PATH OF THIS STORM SHOULD BE PREPARED FOR RAPID CHANGES IN THE WEATHER AND SHOULD MONITOR YOUR WEATHER RADIO...TV STATION...OR RADIO STATION FOR POSSIBLE WEATHER WARNINGS. A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:45 PM CDT | Severe Thunderstorm Warning | FSD | Thurston | 45 min |
| Jun 25, 8:05 PM CDT | Tornado Warning | FSD | Thurston | 20 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.