Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 12, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at May 15, 1998, 12:32 PM CDT for Polk County, Nebraska. It was in force for 43 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, 12:32 PM CDT (17:32 UTC)
- Expired
- May 15, 1998, 1:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Polk County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 15, 1:00 PM CDT | Thunderstorm Wind 65 | Shelby, 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
Omaha, NE (KOAX), launched 12:00Z, 5.5 hours before the alert went out and 101 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
- 1194 J/kg
- Mixed-layer CIN
- -370 J/kg
- Mixed-layer LCL
- 1627 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -76 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
440 WFUS1 KGRI 151734 RRA TORGRI NEC143-151820- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HASTINGS NE 1232 PM CDT FRI MAY 15 1998 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * TORNADO WARNING FOR PEOPLE IN... POLK COUNTY IN EAST CENTRAL NEBRASKA * UNTIL 115 PM CDT * AT 1230 PM CDT... DOPPLER RADAR AND SPOTTER REPORTS INDICATED A DEVELOPING TORNADO 10 MILES NORTH OF YORK...OR NEAR BENEDICT... MOVING TO THE NORTH AT 40 MPH. * THE TORNADO IS EXPECTED TO BE AFFECT... STROMSBURG AROUND 1240 PM OSCEOLA AROUND 1245 PM GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR DDN &
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 15, 1:20 AM CDT, 11 hours 12 minutes earlier.
Area forecast discussion, May 15, 1:20 AM CDT, 11 hours 12 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 15, 11:33 AM CDT, 59 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-160500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 1133 AM CDT FRI MAY 15 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION...SPOTTER ACTIVATION MAY BE NECESSARY EARLY THIS AFTERNOON FOR AREAS TO THE EAST OF HASTINGS AND GRAND ISLAND. SYNOPSIS... SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE NORTH OR NORTHEAST EARLY THIS AFTERNOON OUT OF NORTH CENTRAL KANSAS AND INTO SOUTH CENTRAL AND SOUTHEAST NEBRASKA. A FEW OF THESE MAY BE RATHER STRONG FROM HASTINGS TO HEBRON AND AREAS TO THE NORTH...INCLUDING YORK AND FULLERTON. COLD TEMPERATURES ALOFT WILL KEEP THE ATMOSPHERE UNSTABLE...AND A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL HELP TRIGGER ADDITIONAL THUNDERSTORM DEVELOPMENT. THESE STORMS SHOULD MOVE NORTH OUT OF THE AREA BY MID AFTERNOON...HOWEVER UNTIL THEN THERE WILL BE THE THREAT OF HAIL AND DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER SOURCES OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WATCHES AND WARNINGS. DDN
Special weather statement, May 15, 11:33 AM CDT, 59 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-160500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 1133 AM CDT FRI MAY 15 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION...SPOTTER ACTIVATION MAY BE NECESSARY EARLY THIS AFTERNOON FOR AREAS TO THE EAST OF HASTINGS AND GRAND ISLAND. SYNOPSIS... SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE NORTH OR NORTHEAST EARLY THIS AFTERNOON OUT OF NORTH CENTRAL KANSAS AND INTO SOUTH CENTRAL AND SOUTHEAST NEBRASKA. A FEW OF THESE MAY BE RATHER STRONG FROM HASTINGS TO HEBRON AND AREAS TO THE NORTH...INCLUDING YORK AND FULLERTON. COLD TEMPERATURES ALOFT WILL KEEP THE ATMOSPHERE UNSTABLE...AND A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL HELP TRIGGER ADDITIONAL THUNDERSTORM DEVELOPMENT. THESE STORMS SHOULD MOVE NORTH OUT OF THE AREA BY MID AFTERNOON...HOWEVER UNTIL THEN THERE WILL BE THE THREAT OF HAIL AND DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER SOURCES OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WATCHES AND WARNINGS. DDN
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, 2:43 AM CDT | Severe Thunderstorm Warning | GID | Sherman | 47 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, 12:38 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 37 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes 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.