Alert archive / Nebraska / Tornado Warnings in 1994

Tornado Warning 10, NWS Hastings, NE

July 1, 1994Clay County, Nebraska

NWS Hastings, NE issued this tornado warning at Jul 1, 1994, 7:03 PM CDT for Clay County, Nebraska. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1994, 7:03 PM CDT (00:03 UTC)
Expired
Jul 1, 1994, 7:30 PM CDT
In force
27 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Clay County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.1 hours before the alert went out and 167 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1994-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2003 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1994-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2003 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
976 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
423 m²/s²
Significant tornado parameter
3.3
Supercell composite
17.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGRI 020004
TORGRI
NEC035-020030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
703 PM CDT FRI JUL 1 1994
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL NEBRASKA
 
   ...NORTHEASTERN CLAY COUNTY
 
AT 703 PM CDT...DOPPLER RADAR INDICATED A TORNADO 20 MILES SOUTHWEST OF
YORK...OR 3 MILES SOUTH OF STOCKHAM.
 
THIS STORM WAS MOVING SOUTHEAST AT 15 MPH.  THIS STORM WILL APPROACH THE
SUTTON AREA BY 730 PM.
 
DAMAGE REPORTS OR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
 
URBAN

What 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 1, 3:16 PM CDT, 3 hours 47 minutes before
NEZ039>041-046>049-060>064-072>077-082>087-012230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
315 PM CDT FRI JUL 30 1994

...TORNADO WATCH FOR ALL OF CENTRAL NEBRASKA EXCEPT FURNAS COUNTY
UNTIL 9 PM CDT...

A 315 PM CDT...NO THUNDERSTORMS WERE IN SOUTH CENTRAL NEBRASKA...HOWEVER
CONDITIONS REMAIN FAVORABLE FOR RAPID THUNDERSTORM DEVELOPMENT.

REMAIN ALERT FOR POSSIBLE SEVERE WEATHER DEVELOPMENT AND STAY TUNED TO
NOAA WEATHER lRADIO OR LOCAL MEDIA FOR UPDATED WEATHER INFORMATION.

URBAN
Special weather statement, Jul 1, 4:32 PM CDT, 2 hours 31 minutes before
NEZ039>041-046>049-060>064-072>077-082>087-012230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
430 PM CDT FRI JUL 30 1994

...TORNADO WATCH FOR ALL OF CENTRAL NEBRASKA EXCEPT FURNAS COUNTY
UNTIL 9 PM CDT...

A VERY STRONG THUNDERSTORM WAS IN THE DEVELOPING STAGE NEAR THAYER AND
GRESHAM OR JUST NORTHEAST OF YORK IN EAST CENTRAL NEBRASKA.  THIS
STORM IS CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN...STRONG WIND
GUSTS AND POSSIBLY SOME SMALL HAIL UNTIL 500 PM CDT ACROSS EASTERN YORK
COUNTY AS IT MOVES SOUTHEAST AT 25 MILES AN HOUR.

A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PART OF NEBRASKA UNTIL
9 PM THIS EVENING.  YOU SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO
AND LOCAL MEDIA BROADCASTS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
IF THREATENING WEATHER APPROACHES MOVE TO A REINFORCED SHELTER FOR
SAFETY.
LE
Special weather statement, Jul 1, 5:21 PM CDT, 1 hour 42 minutes before
NEZ039>041-046>049-060>064-072>077-082>087-012330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
520 PM CDT FRI JUL 30 1994

...TORNADO WATCH FOR ALL OF CENTRAL NEBRASKA UNTIL 9 PM CDT...

...TORNADO WATCH FOR SOUTHWEST NEBRASKA UNTIL MIDNIGHT CDT...

AT 515 PM CDT A COUPLE OF STRONG THUNDERSTORMS WERE NORTHEAST OF GRAND
ISLAND.  ONE STORM WAS 20 MILES NORTH OF GRAND ISLAND NEAR PALMER.
THE OTHER ONE WAS 10 MILES NORTHEAST OF GRAND ISLAND NEAR CHAPMAN.
THESE STORMS COULD PRODUCE SMALL HAIL AND GUSTY WINDS...AND WILL AFFECT
CENTRAL CITY...ARCHER...AND CLARKS THROUGH 6 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PART OF NEBRASKA THIS
EVENING.  YOU SHOULD CONTINUE TO JMONITOR NOAA WEATHER RADIO AND LOCAL
MEDIA BROADCASTS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.  IF
THREATENING WEATHER APPROACHES MOVE TO A REINFORCED SHELTER FOR SAFETY.
EWALD

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 7:31 PM CDTSevere Thunderstorm WarningGIDDawson44 min
Jul 1, 7:31 PM CDTSevere Thunderstorm WarningGIDFranklin, Nuckolls, Webster44 min
Jul 1, 7:31 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer44 min
Jul 1, 7:48 PM CDTSevere Thunderstorm WarningGIDPhelps27 min

Nearby

Tornado Warnings in Nebraska, 1994Every tornado warning in 1994Tornadoes 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.