Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 174, NWS Hastings, NE

July 24, 2001Furnas County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 24, 2001, 12:59 AM CDT for Furnas County, Nebraska. It was in force for 46 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: Jul 24, 2001, 12:59 AM CDT (05:59 UTC)
Expired: Jul 24, 2001, 1:45 AM CDT
In force: 46 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Furnas County, NE

The radar

The Grand Island radar (KUEX), 126 km from the middle of the area, began a volume at 06:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 23, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.0 hours before the alert went out and 121 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 615 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 1212 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.7

Open this sounding in Storm Lab

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 Jul 23, 2:01 PM CDT, 10 hours 58 minutes earlier.

Area forecast discussion, Jul 23, 2:01 PM CDT, 10 hours 58 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
201 PM CDT MON JUL 23 2001

FCST CHALLENGE WILL BE TIMING/EXTENT OF PRECIP THROUGH PD.

18Z SFC MAP SHOWS STATIONARY FNTL BNDRY EXTNDD FM IA W INTO LEE SIDE
TROF OVR SE CO. LG OUTFLW BNDRY FM AM MCS HAD PUSHED WELL S INTO C
KS WITH A FEW LEFT OVR SHRA/S ALG IT. PRIMARY FOCUS FOR THE OVERNIGHT
SHIFTS OUT W TO THE NE PANHANDLE WHERE CONVN CONTS TO ORGANIZE INVOF
ENERGETIC UPR TROF PER WATER VAPOR OVR CO ALG SRN PERIPHERY OF 100
KT JET MAX IN ND AND FVRBL UPSLOPE FLW.

12Z MODELS IN PRETTY GOOD AGREEMENT ON LG SCALE AND CONSISTENT
W/PREVIOUS RUNS ADVERTISING MCS EVOLUTION TONIGHT. MAIN PLAYERS
TONIGHT ARE AFOREMENTIONED CO WV...ND SPEED MAX AND STATIONARY BNDRY.
XPC WRN NE STORMS TO EXPAND...ORGANIZE AND SPREAD EWD THIS EVENING
IN ASSOCN/W LG SCALE ASCENT AHD OF EJECTING WV AND INCREASING UPR LVL
DVRG INVOF ENTRANCE REGION OF SIG UPR JET. SIG QPF POSSIBLE WITHIN
DVLPG AGEO CIRC ACRS 850-700MB FGEN BNDRY AS MCS/MCC TAKES SHAPE
ARND MIDNIGHT OR LTR. BEST HVY RAIN THREAT N OF I-80. NO DOUBT PLENTY
OF MOISTR TO WORK WITH GIVEN TOP 12Z PW NR 2 INCHES AND CONTD
SUBTROPIC MOIST PLUME OVRHD. STILL XPC A FEW STORMS TO FIRE ALG
STATIONARY FNT LT THIS AFTN ESP IN LIEU OF DESTABILIZATION UNDERWAY
CURRENTLY AND OBSVD MOIST CONV ALG BNDRY PER LAPS/RUCII. WILL CONT TO
MONITOR.

OTHERWISE...SIG RAIN TO HOLD IN THROUGH TOMORROW AM IN THE LEAST.
RAIN COULD GO ALL DAY AHD OF MID LVL TROF AND CONTD UPR SUPPORT.
APPEARS BEST CHC OF SIG QPF SHLD SHIFT SWD DURING THE DAY IN
PROXIMITY TO BEST THETA-E RIDGING AND LG SCALE ASCENT AHD OF MID
LVL TROF. SEEMS PRUDENT AT THIS POINT TO EXTND LIKELY POPS INTO TUE
NIGHT...ESP OVR NRN KS BUT TEMPORARILY DRYING OUT AFT THAT ON WED.
GENERAL FLATTENING OF UPR HGTS WILL LEAD TO SWD SHIFT OF MID LAT
WESTERLIES IN CONJUNCTION W/RENEWED TROFFING ALG W COAST SHLD MAKE
FOR UNSETTLED CONDS THU CONTG INTO THE WEEKEND. WILL AMEND EXTNDD TO
ACCOUNT FOR THIS THINKING.

.GID...NONE.

TEH

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 24, 1:40 AM CDT	Severe Thunderstorm Warning	GID	Harlan	65 min
Jul 24, 1:09 AM CDT	Severe Thunderstorm Warning	GID	Phillips	51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2001 Every severe thunderstorm warning in 2001

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.