Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 161, NWS Hastings, NE

August 28, 2000Nance County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 28, 2000, 6:43 PM CDT for Nance County, Nebraska. It was in force for 32 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
Aug 28, 2000, 6:43 PM CDT (23:43 UTC)
Expired
Aug 28, 2000, 7:15 PM CDT
In force
32 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Nance County, NE

The radar

The Grand Island radar (KUEX), 126 km from the middle of the area, began a volume at 23:47 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
Aug 28, 6:55 PM CDTHail 0.75Genoa, 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

Omaha, NE (KOAX), launched 12:00Z, 11.7 hours before the alert went out and 136 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 12:00Z on 2000-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3804 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 12:00Z on 2000-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.1939Sfc1 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
3804 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

841 
WUUS53 KGID 282343
SVRGRI
NEC125-290015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
643 PM CDT MON AUG 28 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NANCE COUNTY IN CENTRAL NEBRASKA

* UNTIL 715 PM CDT

* AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHWEST OF GENOA...OR ABOUT 24 MILES
  WEST OF COLUMBUS...MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GENOA AT 700 PM CDT

PEOPLE IN EASTERN NANCE 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.

$$

KD

LAT...LON 4152 9771 4150 9798 4130 9798 4131 9771

NNNN

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.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 2:12 PM CDT, 4 hours 31 minutes earlier.

Area forecast discussion, Aug 28, 2:12 PM CDT, 4 hours 31 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
212 PM CDT MON AUG 28 2000

IMPRESSIVE LATE AUGUST CDFNT MOVING THRU NW NEB THIS AFTN WITH 6 MB
MB PRES RISES OVR SD AT 18Z/35-50 KT SFC WND LATE THIS MRNG.  FRONT
LKS TO X THE KS BRDR LTR THIS EVE WITH MUCH DRIER AIR...40S/50S
DPS...IN THE WAKE.  WL PROBABLY KP A SMALL POP FOR THE FROPA AS
FRONT IS INTERSECTING BOUNDARY ACRS OUR WRN CWA...WITH ARND 70 DP
STILL IN PLACE.  WL SEE HOW THINGS DVLP THIS AFTN...AND THEN GO
SLGTLY BLO MOS LOW 60S FOR OVRNGT LOWS.

ISENTROPIC LIFT THEN TRIGGERS MDL QPF LATE TNGT/TUE WITH ETA THE
QUICKEST IN LIFTING THE FRONT NWD AGAIN. WL FOLLOW A SLOWER SCENARIO
AS WE THINK THE FRONT WL PENETRATE A BIT FURTHER S INTO KS GIVEN TDAS
OBS...THEN LIFT NWD ON TUE NGT/WED.  SO WL HOLD THE SHRA OFF TIL
THEN.  MEANWHILE...OVRRUNNING WL KP PLENTY OF CLDS WITH E SFC WND FOR
TUE...THUS WL NOT EXCEED COOLER FWC HIGHS.

TEMPS TO RECOVER ON WED AS BOUNDARY CLEARS THE AREA...WL PUT A
SMALL MRNG POP FOR NEB ZONES.  MDLS ADVCT VERY WARM 850 TEMPS...ARND
30 DEG C...OVR THE CWA AREA AGAIN ON WED AS PTN RECYCLES.

IN THE EFP...CANADIAN/UKMO/MRF IN GENL AGRMT WITH SW FLOW OVR THE
CNTRL PLNS AS PER TROF ALNG W COAST/RIDGE AXIS OVR GREAT LAKES. MRF
IS MORE AMPLIFIED...AND IN AGRMT WITH UKMO ON LOW OVR LWR MS
VALLEY BY SAT...WHILE CANADIAN KPS THE HIGH ENTRENCHED THERE.  PTN
OF XG SHRTWVS WITH FRONTS INTO NRN KS LKS TO CONT. SO...CHC TSRA WITH
WED NGT FRONT FOLLOWED BY COOLER THU...THEN ANOTHER RA CHC THU
NGT/FRI AS THE BNDRY AGAIN LIFTS NWD. DRY SAT WITH TEMP RECOVERY.

.GID...NONE.

09

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 5:44 PM CDTSevere Thunderstorm WarningGIDBuffalo46 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.