Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 39, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at May 15, 1998, 2:43 AM CDT for Sherman County, Nebraska. It was in force for 47 min. 1 report 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 15, 1998, 2:43 AM CDT (07:43 UTC)
- Expired
- May 15, 1998, 3:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Sherman County, NE
The radar
The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 07:45 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 |
|---|---|---|---|
| May 15, 3:10 AM CDT | Hail 0.75 | Loup City, 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 nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.7 hours before the alert went out and 136 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
- 887 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2036 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
182 WUUS1 KGRI 150745 RRA SVRGRI NEC163-150830- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 243 AM CDT FRI MAY 15 1998 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR PEOPLE IN... SHERMAN COUNTY IN CENTRAL NEBRASKA * UNTIL 330 AM CDT * AT 240 AM CDT... DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 25 MILES NORTHWEST OF KEARNEY OR ABOUT 5 MILES WEST OF PLEASANTON MOVING RAPIDLY NORTHEAST AT 55 MPH. THE SEVERE THUNDERSTORMS WILL AFFECT...HAZARD...LITCHFIELD AND LOUP CITY THROUGH 330 AM DAMAGING WINDS UP TO 70 MPH AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS JAB
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 15, 1:20 AM CDT, 1 hour 23 minutes earlier.
Area forecast discussion, May 15, 1:20 AM CDT, 1 hour 23 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 120 AM CDT FRI MAY 15 1998 ...TROUBLE CONFINED TO THE 1ST 12 HRS OF FCST W/ TSRA CHCS AS RATHER IMPRESSIVE TROF SWINGS OUT OVER AREA TODAY... WILL KEEP THIS BRIEF W/ THREAT FOR CONVECTION INCREASING ACROSS SRN PARTS OF THE CWA ATT. SAT PIX EARLY THIS AM HAD MAIN SPIN LOCATED OVER NRN NM. ONE AREA OF SHRA/TSRA WORKING THRU CNTRL KS. ECHOES NOT ALL THAT IMPRESSIVE LOOKING...BUT ICT HAVING FUN W/ 70+ MPH WINDS OUT OF THEM. NEXT ROUND OF STORMS FIRING IN TX PNDHL IN ASSOC W/ MAIN SYS. SFC CHART SHOWED COLD FRONT FROM AROUND ANW SOUTH TO MCK/GLD AND ON SW INTO SRN CO. GOOD NW FLOW BEHIND IT INDICATING A GOOD PUSH IN THIS DIRECTION OCCURING. DRY LINE EXTENDS SOUTH FROM MCK TO THE WEST OF GCK. IT HAS BACKED TO THE WEST...BUT WILL ROAR EASTWARD AGAIN AS SYS COMES OUT OVER NEXT 12 HRS. WILL KEEP THIS EVENING UPDATED FCST BASICALLY INTACT...FOCUSING MAIN STORM THREAT THRU 18Z...AT WHICH TIME...AXIS OF TROF SHOULD BE SWEEPING THRU. WILL GIVE SE 1/2 OF CWA THE BEST CHC...AND HOLD PRECIP CHCS INTO THE EARLY AFTN...OUT WEST...SCT POPS IN AM...P SUNNY DURING THE AFTN. WINDY THIS AM W/ SOUTH WINDS 20/30...BECMG NW 15/25 MIDDAY. TEMPS WILL BE HELD DOWN SOME BY CLDS TODAY...GENERALLY THE MID 70S. TONITE...WILL GO CLEAR WITH TEMPS FROM THE MID 40S WEST TO AROUND 50 EAST. TOMR...M SUNNY. HIGH 80 EAST TO LOWER 80S WEST...MAYBE EVEN MID 80S IN WRN KS COUNTIES. GRI TU 077/050/081 600 HBR TU 076/051/080 600 ODX TU 077/046/082 400 BLT TU 077/053/083 600 LXN TU 078/045/083 400 GURNEY
In the hours before
Special weather statement, May 14, 9:20 PM CDT, 5 hours 23 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-150500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 920 PM CDT THU MAY 14 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION...SPOTTER ACTIVATION MAY BE NECESSARY AFTER MIDNIGHT. SYNOPSIS... THE INGREDIENTS FOR SEVERE WEATHER ARE COMING TOGETHER SLOWER THAN PREVIOUSLY ANTICIPATED. AS A RESULT THUNDERSTORM DEVELOPMENT IS NOT EXPECTED TO OCCUR ACROSS SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS UNTIL AFTER MIDNIGHT. THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING ACROSS WESTERN SECTIONS OF NEBRASKA AND KANSAS AND SPREAD EASTWARD DURING THE EARLY MORNING HOURS. THE ATMOSPHERE WILL REMAIN QUITE UNSTABLE...THUS SEVERE WEATHER REMAINS A POSSIBILITY WITH THE MAIN THREAT BEING DAMAGING WINDS AND LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO AND OTHER SOURCES OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WATCHES AND WARNINGS. BARRITT
Special weather statement, May 14, 9:20 PM CDT, 5 hours 23 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-150500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 920 PM CDT THU MAY 14 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION...SPOTTER ACTIVATION MAY BE NECESSARY AFTER MIDNIGHT. SYNOPSIS... THE INGREDIENTS FOR SEVERE WEATHER ARE COMING TOGETHER SLOWER THAN PREVIOUSLY ANTICIPATED. AS A RESULT THUNDERSTORM DEVELOPMENT IS NOT EXPECTED TO OCCUR ACROSS SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS UNTIL AFTER MIDNIGHT. THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING ACROSS WESTERN SECTIONS OF NEBRASKA AND KANSAS AND SPREAD EASTWARD DURING THE EARLY MORNING HOURS. THE ATMOSPHERE WILL REMAIN QUITE UNSTABLE...THUS SEVERE WEATHER REMAINS A POSSIBILITY WITH THE MAIN THREAT BEING DAMAGING WINDS AND LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO AND OTHER SOURCES OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WATCHES AND WARNINGS. BARRITT
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 2:32 AM CDT | Severe Thunderstorm Warning | GID | Buffalo, Furnas, Gosper, Phelps | 48 min |
| May 15, 3:05 AM CDT | Severe Thunderstorm Warning | GID | Valley | 45 min |
| May 15, 3:17 AM CDT | Severe Thunderstorm Warning | GID | Greeley | 48 min |
| May 15, 11:47 AM CDT | Severe Thunderstorm Warning | GID | Fillmore | 43 min |
| May 15, 11:56 AM CDT | Severe Thunderstorm Warning | GID | York | 49 min |
| May 15, 12:03 PM CDT | Tornado Warning | GID | Fillmore, York | 62 min |
| May 15, 12:32 PM CDT | Tornado Warning | GID | Polk | 43 min |
| May 15, 12:38 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 37 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning in 1998
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.