Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 10, NWS North Platte, NE

May 18, 1990Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 18, 1990, 6:07 PM MDT for Cherry County, Nebraska. It was in force for 68 min.

The area

The counties it named.

The facts

Issued: May 18, 1990, 6:07 PM MDT (00:07 UTC)
Expired: May 18, 1990, 7:15 PM MDT
In force: 68 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Cherry County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.1 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 360 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 190009 COR
SVRVTN
NEC031-190115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
707 PM CDT FRI MAY 18 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      EASTERN CHERRY...THE CITY OF VALENTINE

AT 705 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
WEST OF VALENTINE NEBRASKA IN EASTERN CHERRY COUNTY OF NORTHCENTRAL
NEBRASKA.  THE STORM WAS MOVING NORTHEAST AT 25 MPH AND WILL BE
NEAR THE CITY OF VALENTINE AROUND 730 PM CDT.

PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER.  STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A
PLACE OF SAFETY IF ONE IS SPOTTED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 12 MIDNIGHT FOR CHERRY
COUNTY.

PLISCHKE

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, May 18, 3:44 PM MDT, 2 hours 23 minutes before

NEZ007-182330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
440 PM CDT FRI MAY 18 1990

...TORNADO WATCH UNTIL 10PM CDT FOR SOUTHWEST NEBRASKA...

AT 440 PM CDT...WIDELY SCATTERD THUNDERSTORMS WERE DEVELOPING OVER
SOUTHWEST NEBRASKA.

THESE THUNDERSTORMS WERE JUST SOUTH AND EAST OF IMPERIAL OR 55 MILES
SOUTHWEST OF NORTH PLATTE. ANOTHER JUST SOUTH OF OGALLALA OR 46 MILES
WEST OF NORTH PLATTE. THESE THUNDERSTORMS WERE MOVINGM NORTHEAST AT
30 MILES PER HOUR MOVING ACROSS EASTERN CHASE AND CENTRAL KEITH COUNTIES.

LOCALIZED HEAVY RAINFALL...STRONG GUSTY WINDS...AND SMALL HAIL
WILL BE POSSIBLE UNTIL 515PM CDT OR 415 MDT.

ACH.

Special weather statement, May 18, 4:29 PM MDT, 1 hour 38 minutes before

NEZ0006-007-012-017-190025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
525 PM CDT FRI MAY 18 1990

...TORNADO WATCH UNTIL 10PM CDT FOR SOUTHWEST NEBRASKA...

SCATTERED THUNDERSTORMS...SOME QUITE HEAVY...CONTINUED OVER
A GOOD PART OF SOUTHWEST AND WESTCENTRAL NEBRASKA.  THE STRONGEST
STORMS WERE 25 MILES SOUTHWEST OF NORTH PLATTE AND 70 MILES SOUTH
OF NORTH PLATTE AND WERE MOVING NORTHEAST AT 25 MPH.  THESE STORMS
MAY CONTAIN HAIL...STRONG WINDS AND LIGHTNING.

RC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 6:05 PM MDT	Severe Thunderstorm Warning	LBF	Cedar, Knox	55 min
May 18, 6:12 PM MDT	Tornado Warning	LBF	Lincoln	33 min
May 18, 6:38 PM MDT	Tornado Warning	LBF	Frontier, Red Willow	37 min
May 18, 6:44 PM MDT	Tornado Warning	LBF	Lincoln	31 min
May 18, 6:56 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant, Hooker	64 min
May 18, 7:59 PM MDT	Tornado Warning	LBF	Red Willow	31 min
May 18, 8:05 PM MDT	Severe Thunderstorm Warning	LBF	Thomas	55 min
May 18, 8:29 PM MDT	Tornado Warning	LBF	Red Willow	31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990 Every severe thunderstorm warning in 1990

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.