Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 113, NWS Hastings, NE

July 20, 2000Furnas County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 20, 2000, 4:43 PM CDT for Furnas County, Nebraska. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 20, 2000, 4:43 PM CDT (21:43 UTC)
Expired
Jul 20, 2000, 5:45 PM CDT
In force
62 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Furnas County, NE

The radar

The Grand Island radar (KUEX), 126 km from the middle of the area, began a volume at 21:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 20, 5:15 PM CDTHail 1.75Holbrook, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 121 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, N. Platte/Lee Bi, NE at 12:00Z on 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 480 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, N. Platte/Lee Bi, NE at 12:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 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
480 J/kg
Mixed-layer CIN
-280 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 202143
SVRGRI
NEC065-202245-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
443 PM CDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FURNAS COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 545 PM CDT

* AT 436 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  ANOTHER SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF WILSONVILLE...OR 
  ABOUT 23 MILES SOUTHEAST OF MCCOOK...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WILSONVILLE AT 450 PM CDT
  HENDLEY AT 505 PM CDT
  BEAVER CITY AT 520 PM CDT
  HOLLINGER AT 530 PM CDT
  EDISON AT 535 PM CDT

PEOPLE IN FURNAS COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS. DAMAGING THUNDERSTORM WINDS IN EXCESS OF 60
MPH AND LARGE HAIL THE SIZE OF GOLFBALLS ARE LIKELY.

THIS SEVERE THUNDERSTORM WARNING REPLACES THE WARNING ISSUED 
EARLIER FOR FURNAS COUNTY.  THIS WARNING IS BASED ON A NEW SEVERE
THUNDERSTORM THAT DEVELOPED ON THE WEST EDGE OF FURNAS COUNTY.  

IN ADDITION...THE STORM TRACKING JUST SOUTH OF BEAVER CITY IS ALSO
SEVERE...AND WILL CONTINUE TO MOVE THROUGH SOUTHEAST FURNAS COUNTY.

BOTH OF THESE STORMS WILL PRODUCE LARGE HAIL...AND POSSIBLY DAMAGING 
WINDS.  EXTREMELY HEAVY RAIN IS ALSO EXPECTED FROM THESE TWO STORMS. 

$$

LAT...LON 4013 10035 3996 10026 4003 9965 4033 9967

DDN

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 10:50 PM CDTSevere Thunderstorm WarningGIDFurnas40 min
Jul 19, 10:53 PM CDTSevere Thunderstorm WarningGIDSherman52 min
Jul 19, 11:37 PM CDTSevere Thunderstorm WarningGIDHoward38 min
Jul 20, 12:02 AM CDTSevere Thunderstorm WarningGIDGreeley43 min
Jul 20, 12:04 AM CDTSevere Thunderstorm WarningGIDMerrick, Nance41 min
Jul 20, 12:28 AM CDTTornado WarningGIDGreeley, Howard32 min
Jul 20, 12:34 AM CDTTornado WarningGIDMerrick, Nance26 min
Jul 20, 1:01 AM CDTSevere Thunderstorm WarningGIDHoward, Merrick44 min
Jul 20, 4:03 PM CDTSevere Thunderstorm WarningGIDFurnas42 min
Jul 20, 4:49 PM CDTTornado WarningGIDFurnas41 min
Jul 20, 5:12 PM CDTSevere Thunderstorm WarningGIDGosper48 min
Jul 20, 5:48 PM CDTSevere Thunderstorm WarningGIDPhelps57 min
Jul 20, 6:00 PM CDTSevere Thunderstorm WarningGIDGosper30 min
Jul 20, 6:17 PM CDTSevere Thunderstorm WarningGIDHarlan58 min
Jul 20, 6:45 PM CDTSevere Thunderstorm WarningGIDKearney, Phelps45 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.