Severe Thunderstorm Warning 21, NWS Hastings, NE

Issued

May 14, 1999, 8:01 PM CDT (01:01 UTC)

Expired

May 14, 1999, 8:45 PM CDT

In force

44 min

Issued by

NWS Hastings, NE

Area

Whole counties

County Dawson County, NE

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 01:03 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.

999 
WUUS1 KGRI 150103
SVRGRI
NEC047-065-073-150145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
801 PM CDT FRI MAY 14 1999

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 845 PM CDT

* AT 801 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE 
THUNDERSTORMS FROM GOTHENBURG...OR ABOUT 40 MILES WEST OF 
LEXINGTON...TO JUST EAST OF MCCOOK.

GOTHENBURG...COZAD...ELWOOD AND CAMBRIDGE ARE IN THE IMMEDIATE PATH
OF THIS STORM. HAIL TO INCH IN DIAMETER AND WINDS IN EXCESS OF
60 MPH ARE LIKELY.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH AND
LARGE HAIL OF 3/4 OF AN INCH OR GREATER. TAKE SHELTER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE
OR NO ADVANCED WARNING.

THE PRIMARY SEVERE WEATHER THREATS ARE DAMAGING WINDS AND LARGE HAIL.
TAKE COVER IMMEDIATELY IN A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 14, 2:45 PM CDT, 5 hours 16 minutes earlier.

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
245 PM CDT FRI MAY 14 1999

MRNG UAA VERY SIMILIAR TO THU WITH UPR LOW OVR PAC NW WITH SHRTWV
PLOUGHING ACRS GREAT BASIN.  SFC LOW WAS CNTRD NR NERN CO TDA WITH
LLVL MSTR IN PLACE AFT BEING DRUG NWD BY LAST NGTS MCS.

TSRA WL RMN THE QN OF THE FP AS SHRTWVS MOVE OUT OF THE CNTRL
ROCKIES AND OVR THE NRN PLAINS.  CO/WRN KS SFC LOW NOT PROGD TO
MOVE MUCH WITH FOCUSING WARM FNT EXPECTED NR NEB/KS BRDR THRU SAT NGT
AS PCPN ENHANCES THE BNDRY.  WITH ABUNDANT MSTR AND STEEP LAPSE
RATES...ATMOSPHERE WL RMN UNSTABLE WITH MDLS DIFFERING IN MAGNITUDE.
SEE SWO FOR DETAILS.  LIMITING FACTOR...18Z LBF SOUNDING AND OAX 12Z
SOUNDING RECORDED AN 8 DEG CAP.

CLDS ARE SLOWLY ERODING OVR NWRN KS AND SWRN NEB AND AMOUNT OF
HEATING THE BIG QN THRU THIS AFTN WITH ABOVE MENTIONED CAP. SVR
TSTMS EXPECTED TO DVLP OVR WRN NEB LTR TDA IN NGM/ETA AREA OF MSTR
CNVGNC WITH FOCUSED OMEGA FIELD FM INCRSG UPR DVRGNC AND WARM ADVCTN.
MSTR CNVGNC PROG REASONABLE WITH BNDRY EVIDENT ON 18Z SFC ANALYSIS
FM LOW NR CO/KS TO NR RAP.  WL STAY WITH SCENARIO OF MCS PROPAGATION
E/SEWD INTO CWA TNGT WITH NR 40 KT LLVL JET FOR SUSTENANCE.  WRN CWA
IS IN MODERATE RISK FOR SEVERE. TSRA FIRING OVR NERN CO BY MID AFTN
AND SHRA OVR WRN NEB IN AREA OF DIFFERENTIAL HEATING ON EDGE OF CLOUD
MASS...WL STAY WITH LIKELY IN NEB COUNTIES AND CHC KS AREA.

PTN UNCHANGED ON SAT WITH ETA KPG THE SFC LOW OVR NERN CO...NGM
FURTHER N.  EXPECT AFTN DVLPMNT AGAIN IN AREA OF MSTR CNVGNC OVR NWRN
NEB AND ALNG WARM FNT NR NEB/KS STATELINE.  WL KP IN CHC CATEGORIES
FOR 2ND AND 3RD PDS WITH MENTION OF POSSIBLE SVR FOR PD 2.  MUCH WL
DEPEND ON WHAT TNGTS ACTIVITY LAYS DOWN IN THE WAY OF BNDRIES.  NEB
COUNTIES OF CWA UNDR MODERATE RISK FOR SEVERE ON SAT.

NE/SW FNT ACRS CNTRL PLAINS WITH EJECTING SHRTWVS FM UPR TROF
OVR GREAT BASIN WL REQUIRE CHC POPS FOR SUN AND INTO EFP.

.GID...NONE.

09

Severe Thunderstorm Warnings in Nebraska, 1999Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.