Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 117, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 3, 1997, 7:36 PM CDT for Adams County, Clay County, Nebraska. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 3, 1997, 7:36 PM CDT (00:36 UTC)
- Expired
- Aug 3, 1997, 8:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Adams County, NE, Clay County, NE
The radar
The Grand Island radar (KUEX), 27 km from the middle of the area, began a volume at 00:38 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.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 207 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
- 1182 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 2093 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 3, 2:20 PM CDT, 5 hours 16 minutes earlier.
Area forecast discussion, Aug 3, 2:20 PM CDT, 5 hours 16 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 220 PM CDT SUN AUG 3 1997 MAIN QUESTION TDA IS IF/WHEN/WHERE CONVN WL FORM. SFC ANLYS LOCATES PERSISTENT WK SFC TROF OMA-SLN-AMA WTH SFC MSTR POOLED OVR SE 1/2 OF NEB AND MOST OF IA & KS. WK SLO MOVG CD FNT LAY ON A ORD-FSD-DIK LN. XTRMLY UNSTBL AMS IN PLACE WTH ADAP SHOWING LIS OF -10 AND MODIFIED LBF SOUNDING INDICATING CAPE OF 4000. SATL SHOWS CU FIELD A BIT MORE ORGANIZED ACRS GID CWA THAN YDA AND A LOOK OUT THE WINDOW CONFIRMS A BIT MORE VERTICAL DVLPMT AS WELL. AC FIELD OVR NEB PNHNDL MAY BE A REFLECTION OF A WEAK S/W BT CAN/T FIND IT IN PROFILER DATA. MSTR AND INSTABILITY IN PLACE...BT NO FOCUSING MECHANISM. MDLS SHOW ONLY SGFNT UPR LVL FEATURES AS SYS CROSSING IA/IL NOW AND S/W ROUNDING UPR RDG OVR WY AND NRN CO MON NGT & TUES. SFC FNT SCHEDULED TO DROP ACRS NEB LT TNGT AND TMRW BT WK CONVERGENCE UNLIKELY TO YIELD WDSPRD CONVN. WL FOCUS CHC FOR CONVN ALG FNTL CONVERGENCE WTH SOME BOOST PSBL FROM NEB PNHDL S/W TNGT THRUT CWA. NGM LOCN OF BK DOOR FNT LOOKS RSNBL AND APRS ANY CONVN MON AFTN WL BE W OF GRI & HSI. HARD TO MEASURE COOLING WTH FNT BT STRENGTH OF SFC HI WOULD SUPPORT FWC TEMPS. GRI BB 069/089/064/085 2111 ODX BB 067/087/062/084 2111 LXN BB 064/092/062/085 2211 HBR BB 069/089/065/086 2111 BEL BB 071/092/067/087 2211 SCHURR
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:11 PM CDT | Severe Thunderstorm Warning | GID | Hall, Hamilton | 49 min |
| Aug 3, 7:52 PM CDT | Tornado Warning | GID | Adams | 38 min |
| Aug 3, 8:15 PM CDT | Severe Thunderstorm Warning | GID | Adams, Hall | 45 min |
| Aug 4, 5:02 PM CDT | Severe Thunderstorm Warning | GID | Hall | 58 min |
| Aug 4, 5:23 PM CDT | Severe Thunderstorm Warning | GID | Adams | 52 min |
| Aug 4, 5:43 PM CDT | Severe Thunderstorm Warning | GID | Howard | 47 min |
| Aug 4, 6:22 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Hall | 38 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.