Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 79, NWS Hastings, NE

June 29, 2000Gosper County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 29, 2000, 5:23 PM CDT for Gosper County, Nebraska. It was in force for 52 min. 2 reports 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: Jun 29, 2000, 5:23 PM CDT (22:23 UTC)
Expired: Jun 29, 2000, 6:15 PM CDT
In force: 52 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Gosper County, NE

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 22:24 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

Time	Report	Where	Remark
Jun 29, 5:54 PM CDT	Hail 1	Elwood, NE
Jun 29, 6:17 PM CDT	Thunderstorm Wind 61 E	Elwood, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 29, 1:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.4 hours before the alert went out and 94 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: 1503 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 292228 COR
SVRGRI
NEC073-292315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED FINAL PARAGRAPH
NATIONAL WEATHER SERVICE HASTINGS NE
528 PM CDT THU JUN 29 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 615 PM CDT

* AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 15 MILES NORTHWEST OF JOHNSON
  LAKE TO 22 MILES WEST OF JOHNSON LAKE...OR FROM 14 MILES NORTHWEST
  OF LEXINGTON TO 28 MILES WEST OF LEXINGTON...MOVING SOUTHEAST AT 40
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  JOHNSON LAKE AT 535 PM CDT
  ELWOOD AT 540 PM CDT
  SMITHFIELD AT 545 PM CDT
  
PEOPLE IN GOSPER 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 4069 9964 4070 9998 4045 9998 4044 10008
          4034 10010 4034 9963

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 Jun 29, 1:55 PM CDT, 3 hours 28 minutes earlier.

Area forecast discussion, Jun 29, 1:55 PM CDT, 3 hours 28 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
155 PM CDT THU JUN 29 2000

QUESTION IS EXTENT OF TSTMS TONIGHT

RADAR MOSAIC SHOWS TSTMS OCCURRING ATTM IN NC/NW NEBRASKA ASSOCIATED
WITH PROMINENT H7 WAVE CURRENTLY EVIDENT FROM PROFILERS/WV IMAGERY
IN EASTERN WY.  H85/H3 THICKNESS AND STEERING WINDS TAKE THIS PCPN
AREA SOUTHEAST THROUGH NEB LATER THIS AFTN/EVENING.  18Z SFC
ANALYSIS SHOWS DPS IN THE 50S ACROSS WESTERN NEBRASKA WITH DPS
HANGING BACK IN THE MID/UPPER 40S IN CENTRAL NEB.  LAPS DATA
INDICATES HIGHEST CAPES OF 1400 J/KG IN SW NEB.  XPCT TSTMS TO ALSO
DEVELOP IN HIGH PLAINS AS AFTN WEARS ON NR DRY LINE AND MOVE
SOUTHEAST INTO BETTER MOISTURE.  WILL KEEP HIGHEST POPS...OR WORD AS
SCATTERED/CATEGORIAL IN WESTERN CWA DEPENDING ON RADAR PICTURE AT
ZONE TIME.   WESTERN TIER ZONES ALSO COVERED IN SVR TSTM WATCH TIL 7
PM.  WILL CARRY 50 PCNT POPS IN EASTERN COUNTIES TONIGHT...UNLESS
RADAR INDICATES OTHERWISE.

BEYOND TONIGHT...FCST REVOLVES AROUND TEMPS.  HGHT RISES WITH
BUILDING UPPER RIDGE...WITH UPPER NW FLOW.  SFC FLOW FRIDAY WEAK
WITH LIGHT SOUTH WINDS BECMG SOUTHEAST.  WESTERN CWA MAY SEE UPPER
80S IN DRIER AIR AND OVERALL WILL RANGE HIGHS 88-83 WEST TO EAST.
WILL KEEP FCST DRY VS SLGHT POPS AS MOISTURE/INSTABILITY SHIFTS
SOUTHEAST.  LOWS FRIDAY NIGHT LOW/MID 60S.

UPPER RIDGE CONTINUES TO BUILD SATURDAY AND H85 TEMPS INCREASE TO
25-30C. TIGHT SFC GRADIENT ACROSS KANSAS AND WILL MENTION EITHER
BREEZY/WINDY CONDITIONS.  OTHERWISE WARM DAY WITH HIGHS 90-95
ATTM...WHICH MAY BE CONSERVATIVE.

IN THE EXTENDED...60HR PROGS SHOW SHORTWAVE POISED TO MOVE THRU AREA
SAT NIGHT WITH EXTENDED MODELS ADVANCING ANOTHER WAVE SUNDAY NIGHT.
CAP STRENGTHENS WITH BUILDING RIDGE BUT FOR NOW WILL INCLUDE TSTM
CHANCES DURING THESE TIME FRAMES AND REFINE IN LATER FCSTS.  LOWS
GENERALLY 65-70...HIGHS 90S.

.GID...NONE.

FAY

In the hours before

Local storm report, Jun 29, 5:19 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
519 PM CDT THU JUN 29 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 PM    5 NW GOTHENBURG           NE    1 INCH HAIL
06/29/00   DAWSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 4:51 PM CDT	Severe Thunderstorm Warning	GID	Dawson	54 min
Jun 29, 5:45 PM CDT	Severe Thunderstorm Warning	GID	Dawson	15 min
Jun 29, 6:10 PM CDT	Severe Thunderstorm Warning	GID	Furnas	50 min
Jun 29, 6:15 PM CDT	Severe Thunderstorm Warning	GID	Gosper	45 min
Jun 29, 6:30 PM CDT	Severe Thunderstorm Warning	GID	Harlan, Phelps	60 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000 Every 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.