Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 104, NWS Hastings, NE

May 19, 2003Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 19, 2003, 2:24 AM CDT for Phelps County, Nebraska. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 19, 2003, 2:24 AM CDT (07:24 UTC)
Expired
May 19, 2003, 3:15 AM CDT
In force
51 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

County Phelps County, NE

The radar

The Grand Island radar (KUEX), 84 km from the middle of the area, began a volume at 07:25 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.4 hours before the alert went out and 128 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2003-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2003-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
65 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

947 
WUUS53 KGID 190724
SVRGID
NEC137-190815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
224 AM CDT MON MAY 19 2003

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PHELPS COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 315 AM CDT

* AT 220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ATLANTA...OR ABOUT 8 MILES SOUTHWEST OF
  HOLDREGE...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HOLDREGE AT 230 AM CDT...
  FUNK AT 240 AM CDT...

PEOPLE IN SOUTHERN PHELPS 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 GOLFBALLS ARE LIKELY.

LAT...LON 4034 9959 4048 9959 4052 9918 4034 9918
$$

07

NNNN

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 19, 2:04 AM CDT, 20 minutes earlier.

Area forecast discussion, May 19, 2:04 AM CDT, 20 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
204 AM CDT MON MAY 19 2003

SHRT TERM FOCUS CNTRD ARND DVLPG MCS OVR SW NE/NW KS AND THEN POST
FROPA WINDS INTO THIS AFTN.

AT 06Z...SFC TROF BISECTING NEB CWA BUT LTL EWD PUSH AS OF YET...
AND AWAITING IMPENDING EWD EJECTION/ACCELERATION OF STG UPR TROF OVR
MT AND POLAR SURGE DROPPING INTO NW NEB ATTM. AT LAST...06Z PROFILERS
SHOWING SOME LL RESPONSE TO INTENSIFYING AGEO CIRC DVLPG BTWN SPLIT
COUPLED JETS OVR NEB. IN RETURN...ELEVATED CONV CONTS TO
EXPAND/INTENSIFY ALG WRN PERIPHERY OF CWA. HWVR WARM AIR ALOFT AND
SEEMINGLY LIMITED INSTABILITY HAS PREVENTED MUCH MORE THEN PERHAPS AN
ISOLATED MARGINALLY SVR STORM OR TWO SO FAR THIS MORNING. AT ANY
POINT...RESIDUAL SHRA TO END W-E 15-18Z. OTHER CONCERN TDA WILL BE
STG WINDS WITHIN INTENSE POST FNTL CAA REGIME...BUT XPCTN IS THAT
WINDS WILL HOLD JUST BELOW ADVISORY CRITERIA. PREFER COLDER GUIDANCE
NUMBERS PER DEGREE OF CAA AND CLD CVR TDA AND AGAIN TONIGHT AS WINDS
DECOUPLE...SKIES CLEAR AND BIG CANUCK DOME BUILDS OVRHD. WILL LEAVE
ANY FROST MENTION AT THIS POINT TO DAY SHIFT.

AFT THAT...QUIET WEEK SHAPING UP AS WESTERLIES SHIFT INTO CANADA AND
UPR RIDGE BUILDS THRU WRN US LEADING TO SLOW WARMUP AND DRY WX HERE.

.GID...NONE.

T
Hazardous weather outlook, May 18, 11:11 PM CDT, 3 hours 13 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-191200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
1111 PM CDT SUN MAY 18 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND
PARTS OF NORTH CENTRAL KANSAS.

.DAY ONE...TONIGHT.

A COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL NEBRASKA AND NORTH
CENTRAL KANSAS EARLY ON MONDAY MORNING.  SHOWERS AND THUNDERSTORMS
WILL CONTINUE TO DEVELOP IN ADVANCE...AND ALONG THE COLD FRONT.
WIDESPREAD SEVERE WEATHER IS NOT EXPECTED ALTHOUGH SOME ISOLATED
THUNDERSTORMS MAY PRODUCE MARGINALLY SEVERE HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SHOWERS AND THUNDERSTORMS WILL END BY LATE MORNING MONDAY...LEAVING
STRONG NORTH WIND BEHIND. WIND GUSTS OVER 40 MPH ARE LIKELY IN
SOME AREAS...WHICH MAY LEAD TO LOCALLY HAZARDOUS TRAVEL CONDITIONS
FOR DRIVERS OF HIGH PROFILE VEHICLES.

STRONG HIGH PRESSURE WILL SETTLE SOUTH ON MONDAY BRINGING SOME
COOLER AIR TO THE REGION. PATCHY FROST IS POSSIBLE TUESDAY MORNING
MAINLY NORTH OF INTERSTATE 80...WITH RIVER VALLEYS OR LOW LYING AREAS
THE MOST SUSCEPTIBLE SPOTS.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT.

09

Nearby

Severe Thunderstorm Warnings in Nebraska, 2003Every severe thunderstorm warning in 2003

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.