Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 89, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at May 27, 2002, 10:20 PM CDT for Valley County, Nebraska. It was in force for 55 min. 3 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
- May 27, 2002, 10:20 PM CDT (03:20 UTC)
- Expired
- May 27, 2002, 11:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Valley County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 10:45 PM CDT | Hail 1 | Arcadia, NE | |
| May 27, 10:45 PM CDT | Hail 0.75 | Elyria, NE | |
| May 27, 11:10 PM CDT | Hail 0.88 | Elyria, 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 |
|---|---|---|---|
| May 27, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.3 hours before the alert went out and 144 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
- 2225 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1732 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KGID 280320 SVRGRI NEC175-280415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 1020 PM CDT MON MAY 27 2002 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... VALLEY COUNTY IN CENTRAL NEBRASKA * UNTIL 1115 PM CDT * AT 1016 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 14 MILES NORTHWEST OF FORT HARTSUFF STATE PARK TO 27 MILES SOUTHWEST OF ORD...OR FROM 37 MILES NORTHEAST OF BROKEN BOW TO 15 MILES EAST OF BROKEN BOW...MOVING EAST AT 40 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... FORT HARTSUFF STATE PARK AT 1030 PM CDT ORD AT 1035 PM CDT NORTH LOUP AT 1045 PM CDT PEOPLE IN VALLEY 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 DIMES AND NICKELS IS LIKELY. NNNN 09
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 May 27, 1:40 PM CDT, 8 hours 40 minutes earlier.
Area forecast discussion, May 27, 1:40 PM CDT, 8 hours 40 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 140 PM CDT MON MAY 27 2002 ...STORM CHCS TONIGHT MAIN PROBLEM... RECOVERY ONGOING THIS AFTN IN WAKE OF LAST EVENINGS ACTIVITY. MESO HIGH WAS STILL EVIDENT IN SFC PLOTS EARLIER THIS AM OVR SE NE. APPEARS FM SFC WINDS THAT OLD OUTFLW BNDRY EXTENDS ACRS NRN KS. OLD SYNOPTIC BNDRY STILL APPEARS TO BE PLACE OVR NRN NE AS WELL. SITU CONTS QUITE DIFFUSE IN TERMS OF LG SCALE TRIGGER BUT WK SW TROF EMBEDDED WITH SRN EDGE OF NRN STREAM WESTERLIES ALG WY/NE BORDER SHLD PROVIDE ENOUGH IMPETUS COMBINED WITH FVRBL ERLY UPSLOPE FLW TO FIRE CONVN AGAIN LT THIS AFTN OVR WRN NE. ALTHOUGH MODELS QUITE AGREEABLE IN LG SCALE SENSE...FINITE DETAILS QUITE DIFFERENT. ETA/META/RUC ALL AGREE ON LT AFTN/EARLY EVE DVLPMNTS ALG OLD OUTFLW ACROSS NRN KS/SRN NE AND OVR WRN NE. PROB W/KS ACTIVITY IS INHERENTLY WK MID LVL FLW AND HOW THAT ACTIVITY WILL PROPAGATE. STORMS THAT DO FIRE FURTHER N IN REGION OF BTR MID LVL FLW AND SHLD PROPAGATE E INTO CENTRAL NE AFT DARK. ALTHOUGH PROGGED INSTABILITY GREAT...SIG LACK OF DEEP LYR SHEAR WILL STAVE OFF WIDESPREAD SVR THREAT OVR GID CWA. ON TUE/TUE NIGHT...SRN STREAM CUTOFF OVR OK LOOKS TO GARNER THE MOST ATTN. LTL UNCERTAINTY HERE GIVEN OVERALL SYNOPTIC SCALE COLL IN PLACE. BY WED...MORE ENERGETIC SYS DRIVING THRU FLAT WESTERLIES ALG US/CAN BORDER...WILL REFOCUS OLD SYNOPTIC FNT ACRS NE ALLOWING FOR ANOTHER AT LEAST SLGT STORM CHC BY AFTN. IN THE EXTNDD...FAIRLY BLOCKED PATTN CONTS SO NO BIG CHGS XPCD. SWRN UPR RIDGE SHIFTS SLIGHTLY EWD IN RESPONSE TO DEEP SYS PIN-WHEELING THRU BEARING STRAITS. THIS ALLOWS FOR INHERENT SHIFT IN THERMAL RIDGE OUT INTO THE PLAINS AND WARMING TEMPS INTO LATE WEEK. HWVR...PENDING HOW RENEWED DOWNSTREAM TROFFING THRU ERN US BY NXT WEEKEND TAKES PLACE...NXT WEEKEND INTO NXT WEEK COULD END UP QUITE WET AGAIN GIVEN FVRBL UPR RIDGE POSITION AND CONTD ONSLAUGHT OF NRN STREAM WV TRAIN. .GID...NONE. TEH
In the hours before
Special weather statement, May 27, 6:53 PM CDT, 3 hours 27 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-281200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 653 PM CDT MON MAY 27 2002 ...SPOTTER ACTIVATION MAY BE NEEDED ACROSS A PORTION OF SOUTH CENTRAL NEBRASKA THIS EVENING... SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT ACROSS A PART OF SOUTH CENTRAL NEBRASKA...MOST LIKELY WEST OF A FULLERTON...TO GRAND ISLAND...TO HOLDREGE LINE. STRONG TO SEVERE THUNDERSTORMS IN WESTERN NEBRASKA WILL MOVE EAST THIS EVENING...AND INTO A MORE UNSTABLE ENVIRONMENT IN SOUTH CENTRAL NEBRASKA. THE STORM COMPLEX IS EXPECTED TO ORGANIZE INTO A LINE AND SHIFT EAST BY LATE EVENING. THE MAIN SEVERE WEATHER THREATS ARE LARGE HAIL TO 2 INCHES IN DIAMETER...AND WINDS GUSTS IN EXCESS OF 60 MPH. THE PRIMARY TIME FRAME OF SEVERE ACTIVITY WILL BE BETWEEN 8 PM AND 2 AM. LOCALLY HEAVY RAIN OF 1 TO 2 INCHES IS POSSIBLE. AS THE STORMS CONTINUE EAST LATE THIS EVENING...THE RISK FOR SEVERE THUNDERSTORMS WILL EXTEND ACROSS THE REST SOUTH CENTRAL NEBRASKA... MAINLY NORTH OF HIGHWAY 6. SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD MONITOR THIS SITUATION CLOSELY...AND BE PREPARED TO ACTIVATE AS NECESSARY. MORITZ
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 10:28 PM CDT | Severe Thunderstorm Warning | GID | Sherman | 62 min |
| May 27, 10:58 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Hall, Howard | 62 min |
| May 27, 11:12 PM CDT | Severe Thunderstorm Warning | GID | Greeley | 48 min |
| May 27, 11:21 PM CDT | Severe Thunderstorm Warning | GID | York | 54 min |
| May 27, 11:57 PM CDT | Severe Thunderstorm Warning | GID | Clay | 63 min |
| May 28, 12:21 AM CDT | Severe Thunderstorm Warning | GID | Fillmore | 54 min |
| May 28, 12:22 AM CDT | Severe Thunderstorm Warning | GID | Adams | 53 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.