Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 191, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 4, 2002, 8:05 PM CDT for Valley County, Nebraska. It was in force for 40 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 4, 2002, 8:05 PM CDT (01:05 UTC)
- Expired
- Aug 4, 2002, 8:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Hastings, NE
- Area
- Counties, with a storm outline in the text
County Valley County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 4, 8:10 PM CDT | Hail 1.75 | Comstock, NE | |
| Aug 4, 8:15 PM CDT | Hail 0.75 | Ord, 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 140 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.
- Mixed-layer CAPE
- 2151 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1781 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
887 WUUS53 KGID 050105 SVRGRI NEC175-050145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 804 PM CDT SUN AUG 4 2002 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... VALLEY COUNTY IN CENTRAL NEBRASKA * UNTIL 845 PM CDT * AT 804 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 14 MILES SOUTHWEST OF ELYRIA TO 8 MILES SOUTH OF ORD...OR FROM 25 MILES EAST OF BROKEN BOW TO 38 MILES EAST OF BROKEN BOW...MOVING NORTH AT 25 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... ORD AT 815 PM CDT ELYRIA AT 825 PM CDT FORT HARTSUFF STATE PARK AT 835 PM CDT PEOPLE IN VALLEY COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. THE PRIMARY SEVERE WEATHER THREATS ARE STRONG AND DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL THE SIZE OF DIMES. LAT...LON 4153 9935 4140 9918 4177 9861 4196 9886 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 4, 2:10 PM CDT, 5 hours 55 minutes earlier.
Area forecast discussion, Aug 4, 2:10 PM CDT, 5 hours 55 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 210 PM CDT SUN AUG 4 2002 POSITION OF SFC BOUNDARY AND RESULTANT POPS ARE THE QN OF THE DAY. AS OF 18Z...BOUNDARY WAS ANALYZED AS A WARM FRONT RUNNING FROM NR LXN TO JUST N OF JYR. 18Z TEMPS TO THE S WERE IN THE LOW AND MID 90S F WITH ARND 100 F OVR THE KS CWA. ALL OCCURRING UNDR AN ELONGATED RIDGE FM KS ACRS THE OHIO VALLEY...OFFSET BY LOW SPINNING OVR VANCOUVER ISLAND. WND FIELD IS WEAK AND MSTR IS PLENTIFUL ON THE SNDINGS. WITH AFTN HIGHS NR CONVECTIVE TEMPS...MINIMAL FORCING WL BE NEEDED TO POP SOME SLOW MOVG +RA PRODUCERS. THE MORE DIFFICULT QN MAY BE FOR THE OVRNGT HRS AS THE LACK OF A HEALTHY LLVL JET MAY NOT OVERCOME THE WARM MID LVLS. WL FOCUS 1ST PD POPS MORE N AND W WITH THE FRONT THAN ONGOING FORECAST AND LIMIT KS TO SLGT CHC THIS EVE AS PER DVLPG CU FIELD DOWN YONDER. AT ANY RATE...OVRNGT CONVECTION OVR NERN NEB SHOULD BE ENUF TO SHOVE THE BNDRY SWD AGAIN WITH OUTFLOW TO LIMIT MON HIGH TEMPS FOR THE EXTREME NRN ZONES...AND PRVD FOCUS FOR EARLY EVE TSRA. WL ADJUST MON HIGHS UPWARD BASED ON TDAS EXPERIENCE AND INSERT A SLGT CHC TSRA FOR THE EVE HRS OVR THOSE NRN ZONES. LIMITING VARIABLE FOR ANY HIGHER POPS IS THE BLDG RIDGE/WARMING MID LVL TEMPS AS PER META -4 C 500 MB PROGNOSIS. MDLS IN GENL AGRMT WITH AMPLIFYING PATN AS LOW DIGS TWD THE PAC NW. WL BUMP TEMPS UP TO THE 95 TO 100 RANGE OVR THE CWA FOR MUCH OF THE WEEK AND WL NOT BUY INTO AVN/MRF SOLN OF A STRONG CDFNT BY WEEKS END. WL ASSUME THE ECMWF MORE SUMMERTIME SCENARIO OF A NRN PLNS SYS FOR THIS ISSUANCE WITH WEAK FRONT SAGGING INTO THE NEB ZONES. WL INTRO A PCPN MENTION FOR THE NEB CNTIES FOR THE FRI NGT/SAT PDS WITH ONLY A SLGT COOLING OF TEMPS AND SEE WHAT HAPPENS. .GID...NONE. 9
In the hours before
Local storm report, Aug 4, 7:45 PM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
745 PM CDT SUN AUG 04 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 PM DANNEBROG NE 60 MPH TSTM GUST
08/04/02 HOWARD 60 MPH WINDS FROM ELBA
TO DANNEBROG. REPORTED
BY LAW ENFORCEMENT
OFFICIAL.Local storm report, Aug 4, 8:03 PM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
803 PM CDT SUN AUG 04 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0750 PM WOLBACH NE 60 MPH TSTM GUST
08/04/02 GREELEY REPORTED BY STORM
SPOTTER.The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 7:39 PM CDT | Severe Thunderstorm Warning | GID | Greeley, Howard, Merrick, Nance | 66 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002
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.