Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 178, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 24, 2002, 11:01 PM CDT for Adams County, Nebraska. It was in force for 44 min. 1 report 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
- Jul 24, 2002, 11:01 PM CDT (04:01 UTC)
- Expired
- Jul 24, 2002, 11:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Hastings, NE
- Area
- Counties, with a storm outline in the text
County Adams County, NE
The radar
The Grand Island radar (KUEX), 26 km from the middle of the area, began a volume at 04:02 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 |
|---|---|---|---|
| Jul 24, 11:10 PM CDT | Hail 1 | Holstein, 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, 4.0 hours before the alert went out and 191 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
- 793 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 3368 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
922 WUUS53 KGID 250401 SVRGRI NEC001-250445- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 1100 PM CDT WED JUL 24 2002 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ADAMS COUNTY IN SOUTH CENTRAL NEBRASKA * UNTIL 1145 PM CDT * AT 1057 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER HOLSTEIN...OR ABOUT 17 MILES WEST OF HASTINGS...MOVING SOUTH AT 20 MPH. SOME LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE HOLSTEIN... ROSELAND...AND AYR. PEOPLE IN ADAMS 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 WARNING REPLACES THE TORNADO WARNING PREVIOUSLY ISSUED FOR ADAMS COUNTY. LAT...LON 4069 9829 4066 9874 4036 9873 4035 9829 GUYER 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 Jul 24, 3:29 PM CDT, 7 hours 32 minutes earlier.
Area forecast discussion, Jul 24, 3:29 PM CDT, 7 hours 32 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 329 PM CDT WED JUL 24 2002 ...MAIN FOCUS IS THUNDERSTORM CHANCES OVER NEXT SEVERAL DAYS AND PROSPECTS FOR SEVERE WX TONIGHT... 12Z MORNING UPPER AIR ANALYSIS AND WATER VAPOR IMAGERY SHOWING LOW AMPLITUDE LARGE SCALE PATTERN OVER THE CONUS. UPPER RIDGE CENTERED OVER THE FOUR CORNERS AREA YIELDING MODEST SUMMERTIME W/NW FLOW INTO THE CENTRAL PLAINS. LOW TO MID LEVEL RIDGE CONTINUES TO SHIFT EASTWARD...WITH 700MB/850MB MOIST AXIS FROM TX/OK THROUGH WESTERN SECTIONS OF KS AND NEB. LATEST AFTERNOON SUBJECTIVE SURFACE ANALYSIS FEATURING LOW PRESSURE ADVANCING EASTWARD ACROSS CNTRL SD...WITH ASSOCIATED WARM FRONTAL STRUCTURE EXTENDING E/SE THROUGH EASTERN SD INTO NW IA. TROUGH/WIND SHIFT POSITIONED FROM THE SFC LOW SOUTHWARD INTO WESTERN NEB. AXIS OF 65F SFC DEWPOINTS LOCATED AHEAD OF THE TROUGH...AIDED BY MODEST 5-10F SFC DEWPOINT RISES OVER THE PAST 24 HOURS. SURFACE LOW TO CONTINUE TO TRACK FROM CENTRAL SD INTO NORTHEAST NEB TONIGHT...WITH ACCOMPANYING LOW LEVEL TROUGH EXTENDING BACK TOWARD WESTERN NEB. OPERATIONAL ETA CONFINES CONVECTIVE DEVELOPMENT TO NORTHEAST NEB LATE THIS AFTERNOON/EVENING...WITH LATEST NCEP/FSL RUC20 FOLLOWING SUIT. HOWEVER...12Z ETA KAIN-FRITSCH ALREADY DEVELOPS CONVECTIVE ACTIVITY ALONG THE TROUGH BY 21Z IN NORTH CENTRAL NEB... WITH MORE EXPANSIVE DEVELOPMENT SOUTHWARD INTO CENTRAL AND SCNTRL NEB BY 00Z. WOULD EXPECT REALITY TO BE SOMEWHERE IN BETWEEN THESE SOLUTIONS. OVERALL...ORIENTATION OF THICKNESSES AND ETA-BASED CORFIDI VECTORS SUGGEST A GENERAL SSEWRD PROPOGATIONAL COMPONENT TO EVENING THUNDERSTORM COMPLEX OVER NCNTRL/NE NEB. ALTHOUGH BULK OF ACTIVITY SHOULD BE CONFINED TO THE N/NE SECTIONS OF CWA...SOME ISOLATED PULSE-TYPE DEVELOPMENT POSSIBLE S/SW DOWN THE TROUGH THROUGH THE WESTERN NEB CWA -- HOWEVER INCREASINGLY HIGHER CINH/LFCS SHOULD GREATLY LIMIT S/SW EXTENT OF DEVELOPMENT. SEVERE STORMS ARE A POSSIBILITY TONIGHT -- ESPECIALLY IN THE NE PORTION OF THE CWA -- GIVEN LIKELY MCS PROPAGATION IN AMBIENT ENVIRONMENT CHARACTERIZED BY AMPLE DEEP LAYER SHEAR / 40-50 KNOTS 0-6KM / FOR STORM ORGANIZATION AND MODERATE INSTABILITY. OBJECTIVELY DERIVED SFC BASED CAPES RUNNING AROUND 3000 J/KG THIS AFTERNOON... WITH 100MB MIXED LAYER CAPES AROUND 1500 J/KG. DAMAGING WINDS APPEAR TO BE MAIN THREAT GIVEN DEEP LAYER SHEAR...30-50 KNOT MID LEVEL FLOW...AND INVERTED-V CHARACTERISTICS. IN SPITE OF INSTABILITY AND POTENTIAL FOR UPDRAFT ROTATION GIVEN DEEP LAYER SHEAR...RELATIVELY HIGH FREEZING/WET-BULB ZERO LEVELS WILL TEND TO LIMIT LARGE HAIL THREAT. HIGH LCLS/LFCS SUGGEST TORNADIC POTENTIAL AT A MINIMUM IN CWA. THURSDAY SHOULD BE FAIRLY QUIET DURING THE DAY AS THUNDERSTORM COMPLEX MOVES INTO IA...AND POSSIBLY NORTHERN MO DURING THE MORNING. HOWEVER...REMNANT OUTFLOW BOUNDARIES FROM MCS MAY FIGURE INTO THE MIX. AFTERNOON TEMPERATURES A FEW DEGREES WARMER ON THURSDAY AS UPPER RIDGE SHIFTS EASTWARD AND BEGINS TO DAMPEN -- HIGH TEMPS LIKELY APPROACHING 95 IN MUCH OF THE NEB CWA...WITH A FEW 100 DEGREE READINGS POSSIBLE IN SOUTHERN CWA. MCS THEN LOOKS TO DEVELOP IN WESTERN NEB THURSDAY NIGHT AS ETA PROGGED 50KT LOW LEVEL JET GETS ACTIVE FROM WESTERN KS INTO SOUTHWEST NEB. ACTIVITY WOULD SEEMINGLY PRESS EASTWARD ACROSS THE CWA OVERNIGHT PER CORFIDI VECTORS. PLENTIFUL LOW TO MID LEVEL FRONTOGENESIS AND IMPRESSIVE COUPLED UPPER JET STRUCTURE OVERSPREADING THE CENTRAL PLAINS THURSDAY NIGHT WILL ADD INTO THE MIX AS WELL. WITH SIMILAR SET-UP IN PLACE INTO FRI/SAT...WILL REINTRODUCE MAINLY NIGHTTIME TSRA CHANCES. IN THE OUTER PORTIONS OF THE FORECAST...LATEST EUROPEAN AND 00Z GFS INDICATE LITTLE CHANGE IN BROAD SCALE PATTERN THROUGH THE WEEKEND... HOWEVER THERE SOME HINTS OF WESTERN NORTH AMERICA TROUGH DEVELOPMENT AND CORRESPONDING FLOW AMPLIFICATION BY THE EARLY TO MIDDLE PART OF NEXT WEEK. OPERATIONAL GFS POSITIONING OF UPPER TROUGH OVER THE NORTHERN ROCKIES BY LATE WEEKEND RATHER DEBATABLE GIVEN DEGREE OF VARIABILITY AMONGST GFS ENSEMBLE MEMBERS. ALTHOUGH PRECIPITATION POSSIBLE SOMETIME IN LATE WEEKEND/EARLY NEXT WEEK TIME FRAME... GENERAL DRY FORECAST WILL BE MAINTAINED ATTM UNTIL DETAILS BETTER AVAIL THEMSELVES. STATUS QUO FOR OUTER PERIOD TEMPS. .GID...NONE GUYER
In the hours before
Local storm report, Jul 24, 9:59 PM CDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
959 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0819 PM SPALDING NE 1 INCH HAIL
07/24/02 GREELEY REPORTED BY LAW
ENFORCEMENT OFFICIAL.
07Special weather statement, Jul 24, 10:05 PM CDT, 56 minutes before
NEZ039>041-046>049-250400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 1005 PM CDT WED JUL 24 2002 TORNADO WATCH NUMBER 525...IN EFFECT UNTIL 10 PM CDT FOR VALLEY... GREELEY...SHERMAN...HOWARD...NANCE...MERRICK AND POLK COUNTIES. ALTHOUGH ADDITIONAL THUNDERSTORMS ARE POSSIBLE OVERNIGHT...THE THREAT FOR SEVERE WEATHER HAS ENDED THIS EVENING. GURNEY
Local storm report, Jul 24, 10:15 PM CDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1015 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0905 PM 3 N RAVENNA NE TORNADO
07/24/02 BUFFALO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0945 PM 4 NW SHELTON NE TORNADO
07/24/02 BUFFALO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0952 PM 4 N SHELTON NE TORNADO
07/24/02 BUFFALO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1000 PM 1 W SHELTON NE 1.75 INCH HAIL
07/24/02 BUFFALO REPORTED BY HAM RADIO
OPERATOR.
07Local storm report, Jul 24, 10:26 PM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1026 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1022 PM 7 NW KENESAW NE 1.75 INCH HAIL
07/24/02 ADAMS REPORTED BY LAW
ENFORCEMENT OFFICIAL.
07Local storm report, Jul 24, 10:27 PM CDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1027 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1027 PM SHELTON NE 2.75 INCH HAIL
07/24/02 BUFFALO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
07Local storm report, Jul 24, 10:48 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1048 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1035 PM KENESAW NE 1.75 INCH HAIL
07/24/02 ADAMS REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1035 PM 3 NW ROSELAND NE 1.75 INCH HAIL
07/24/02 ADAMS REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1040 PM 16 W HASTINGS NE 2.75 INCH HAIL
07/24/02 ADAMS REPORTED BY LAW
ENFORCEMENT OFFICIAL.
07The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:21 PM CDT | Tornado Warning | GID | Valley | 39 min |
| Jul 24, 7:35 PM CDT | Severe Thunderstorm Warning | GID | Greeley | 55 min |
| Jul 24, 8:26 PM CDT | Severe Thunderstorm Warning | GID | Sherman | 64 min |
| Jul 24, 9:05 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Hall, Howard | 70 min |
| Jul 24, 9:09 PM CDT | Tornado Warning | GID | Buffalo | 66 min |
| Jul 24, 10:04 PM CDT | Tornado Warning | GID | Adams, Kearney | 56 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; radar from the NEXRAD Level II archive.