Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 348, NWS Hastings, NE

July 15, 2008Dawson County, Gosper County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 15, 2008, 12:41 AM CDT for Dawson County, Gosper County, Nebraska. It was in force for 49 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 15, 2008, 12:41 AM CDT (05:41 UTC)
Expired
Jul 15, 2008, 1:30 AM CDT
In force
49 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

Counties Dawson County, NE, Gosper County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.7 hours before the alert went out and 81 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 2008-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 230 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 2008-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 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
230 J/kg
Mixed-layer CIN
-280 J/kg
Mixed-layer LCL
1784 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

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 14, 6:27 PM CDT, 6 hours 14 minutes earlier.

Area forecast discussion, Jul 14, 6:27 PM CDT, 6 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
627 PM CDT MON JUL 14 2008

.AVIATION...THUNDERSTORMS ACROSS WESTERN NEBRASKA ARE EXPECTED TO
GRADUALLY MOVE THEIR WAY INTO SOUTH CENTRAL NEBRASKA THIS EVENING.
WILL CHANGE THE PROB30 GROUP IN THE 18Z TAF...TO A TEMPO GROUP AND
COVER THE PERIOD MAINLY FROM 03Z-07Z. OBVIOUSLY THIS IS JUST A
STARTING POINT...AND THE STORMS COULD MOVE IN A BIT BEFORE...OR
MAY LINGER A BIT LONGER THAN THAT. HAVE KEPT CLOUDS VFR...BUT WILL
DROP VISIBILITIES IN THE RAIN. ONCE THE STORMS EXIT...VFR
CONDITIONS SHOULD AGAIN PREVAIL FOR THE REMAINDER OF THE TAF VALID
PERIOD.

&&

.PREV DISCUSSION... /ISSUED 247 PM CDT MON JUL 14 2008/

SHORT TERM...THROUGH TUESDAY NIGHT. SOMEWHAT INTERESTING MID JULY
DAY...AS A SMALL POCKET OF DRY AIR DEVELOPED IN THE SOUTHEAST CWFA
AND IS MIGRATING NORTHEAST THIS AFTERNOON. DEW POINTS IN THE MIDDLE
40S IN THE SOUTHEAST CWFA THIS AFTERNOON...WHICH MEANT ANOTHER
EXTREMELY PLEASANT DAY FOR THIS TIME OF YEAR. MUCH HIGHER DEW POINTS
OVER THE NORTHWEST CWFA...WITH ORD DEW POINT IN THE MIDDLE 60S.
12Z NAM/MOST RECENT RUN BOTH PICK UP ON THIS ANOMALOUS DEW POINT
TREND...AND KEEP THE SOUTHERN/EASTERN CWFA IN A DRIER AIR REGIME
THROUGH THE NIGHT. NAM EVEN SURGES IT NORTH TOWARD KEARNEY BY LATE
EVENING...WHICH MAY NOT BE OUT OF THE QUESTION AS WINDS TURN
SOUTH/SOUTHEAST.

AT ANY RATE...THE FORECAST TONIGHT IS A BIT OF A LEAP OF FAITH IN
SOME WAYS. AGAIN...AS WE BATTLE THIS INFLUX OF DRY AIR...THE
MOISTURE AXIS REMAINS FIRM OVER THE NORTHWEST CFWA INTO NORTHEAST
NEBRASKA. SURFACE TROUGH IN NORTHEAST COLORADO IS TRYING FORM SOME
TCU...BUT REALLY NOT MUCH IN NEBRASKA WITH STRONGER CAP IN PLACE.
HOWEVER...THERE IS CLEARLY AN AREA OF DISTURBED WEATHER MIGRATING
THROUGH THE NEBRASKA PANHANDLE WITH THE CLOUDS HAVING COMING FROM
WYOMING TODAY. MODELS HAVE BEEN QUITE DETERMINED...RIGHT DOWN TO
THE UKMET...IN DEVELOPING SOME CONVECTION IN CENTRAL NEBRASKA AND
AND INTO SOUTH CENTRAL NEBRASKA BY LATE EVENING. BELIEVE THAT WILL
BE CASE AS MID LEVEL TEMPERATURES COOL SOME....AND LOW LEVEL JET
KICKS IN BY LATE EVENING. THOUGH DIFFICULT TO PREDICT...THIS HAS
EYES ON A HEAT BURST TYPE EVENTS LATE TONIGHT. WE SEE TROUBLED
CONVECTION DEVELOPING IN THE LATE EVENING HOURS AND DIMINISHING
JUST BEFORE DAWN. NAM KGRI SOUNDING IS INVERTED V SHAPE AT 12Z
TUESDAY...AND WE HAVE PLENTY OF DRY AIR TO TAP INTO. THAT COULD
LEAD TO SOME LOCALLY STRONG WINDS LATE THIS EVENING AND OVERNIGHT
AS THUNDERSTORMS COLLAPSE. SOMETHING TO WATCH ANYWAY...AND DID
INCREASE THUNDERSTORM CHANCES LATER TONIGHT WITH GOOD AGREEMENT
AMONGST SURROUNDING OFFICES.

NOT OUT OF THE QUESTION WE COULD BE CLEANING UP A BIT OF LINGERING
CONVECTION TUESDAY...BUT AFTER THAT AND MORNING CLOUDS...SUNNY AND
TYPICAL SUMMER WEATHER WILL PREVAIL IN THE AFTERNOON AND EVENING.
KEPT A VERY SMALL RISK FOR THUNDERSTORMS LATE TUESDAY NIGHT IN THE
NORTHERN CWFA FOR A STORM DRIFTING SOUTHEAST FROM THE NEBRASKA/SOUTH
DAKOTA BORDER AREA.

LONG TERM...WEDNESDAY THROUGH MONDAY.  THE UPPER PATTERN FEATURES
MAINLY RIDGING ACROSS THE CENTRAL PLAINS WITH THE STRONGER
WESTERLIES CONFINED ACROSS THE NORTHERN PLAINS STATES.  LATEST MODEL
RUNS PLACE THE FRONTAL BOUNDARY ACROSS THE SD/NEB BORDER INTO FAR
NORTHWEST NEBRASKA.  THIS BOUNDARY WILL BE THE FOCUS FOR CONVECTION
WEDNESDAY AFTERNOON AND NIGHT...AND WITH THE FARTHER NORTH
PLACEMENT...THE CONVECTION SHOULD REMAIN NORTH OF OUR CWA AND HAVE
REMOVED PCPN CHANCES.

THURSDAY WILL BE A DIFFERENT STORY HOWEVER WITH THE PROGRESSION OF A
MID LEVEL TROUGH...WHILE THE SURFACE FRONTAL BOUNDARY EDGES FARTHER
SOUTHEAST DURING THE AFTERNOON AND WILL BE NEAR THE NORTHWEST
PERIPHERY OF OUR CWA THURSDAY EVENING.  MODEL ENSEMBLES ARE FAIRLY
CONSISTENT IN DEPICTING THURSDAY AFTERNOON/NIGHT THROUGH FRIDAY
NIGHT AS THE BETTER DAY FOR CONVECTION FOR OUR CWA WITH THE BOUNDARY
APPROACHING OR IN OUR CWA...AND HAVE RAISED POPS FOR THIS TIME
FRAME.  SEVERE STORMS ARE POSSIBLE TOO WITH DAMAGING WINDS AND LARGE
HAIL THE MAIN HAZARDS IN THE HIGH CAPE ENVIRONMENT.  LOCALLY HEAVY
RAINFALL IS ALSO A CONCERN AS MOISTURE POOLS ALONG THE BOUNDARY AND
MODELS SUGGEST PRECIPITABLE WATER VALUES OF AN INCH AND A HALF TO
TWO INCHES ALONG THE FRONT.

THE FRONTAL BOUNDARY STALLS AND THEN BEGINS TO LIFT NORTH ON
SATURDAY AND HAVE KEPT IN SOME POPS FOR SATURDAY NIGHT WITH THE
BOUNDARY IN THE AREA...HOWEVER DEPENDING ON HOW THINGS TURN OUT
FRIDAY...THIS MAY IMPACT THE LATE SATURDAY POPS.  THEN FOR THE
REMAINDER OF THE WEEKEND AND INTO NEXT WEEK...DIDNT DEVIATE MUCH
FROM THE HPC FORECAST.  CHANCES FOR CONVECTION REMAIN SUNDAY NIGHT
AS ANOTHER WAVE AND BOUNDARY MOVE THROUGH...BUT MODELS ARE NOT
CONSISTENT WITH THIS FEATURE OR WITH THE TIMING AND WILL NEED TO
MONITOR.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
KS...NONE.
&&
Hazardous weather outlook, Jul 14, 10:24 PM CDT, 2 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HASTINGS NE
1024 PM CDT MON JUL 14 2008

NEZ039>041-046>049-060>064-072>077-082>087-151200-
VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-
HALL-HAMILTON-YORK-GOSPER-PHELPS-KEARNEY-ADAMS-CLAY-FILLMORE-
FURNAS-HARLAN-FRANKLIN-WEBSTER-NUCKOLLS-THAYER-
1024 PM CDT MON JUL 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE TONIGHT. SOME THUNDERSTORMS MAY PRODUCE
UP TO NICKEL SIZE HAIL AND WIND GUSTS TO 45 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ISOLATED THUNDERSTORMS WILL BE POSSIBLE LATE TUESDAY NIGHT ALONG AND
NORTH OF STATE HIGHWAY 92...OR NORTH OF AN OSCEOLA TO LOUP CITY
LINE.

THERE ARE ALSO CHANCES FOR THUNDERSTORMS FOR SECTIONS OF THE OUTLOOK
AREA FROM THURSDAY THROUGH SUNDAY. THE GREATEST RISK FOR WIDESPREAD
COVERAGE OF THUNDERSTORMS...WILL BE THURSDAY NIGHT THROUGH FRIDAY
NIGHT AS A COLD FRONT DRIFTS SOUTH INTO THE REGION. SEVERE WEATHER
AND LOCALLY HEAVY RAIN WILL BE POSSIBLE LATE THURSDAY AFTERNOON AND
THURSDAY NIGHT...AND THEN AGAIN FRIDAY AFTERNOON AND FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

KSZ005>007-017>019-151200-
PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-
1024 PM CDT MON JUL 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
KANSAS.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE ARE CHANCES FOR THUNDERSTORMS FOR SECTIONS OF THE OUTLOOK AREA
FROM THURSDAY THROUGH SUNDAY. THE GREATEST RISK FOR WIDESPREAD
COVERAGE OF THUNDERSTORMS...WILL BE LATE THURSDAY NIGHT THROUGH
FRIDAY NIGHT AS A COLD FRONT DRIFTS SOUTH INTO THE REGION. SEVERE
WEATHER AND LOCALLY HEAVY RAIN WILL BE POSSIBLE LATE THURSDAY
NIGHT...AND THEN AGAIN FRIDAY AFTERNOON AND FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

HEINLEIN

In the hours before

Special weather statement, Jul 14, 9:16 PM CDT, 3 hours 25 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 14, 9:33 PM CDT, 3 hours 8 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 14, 9:44 PM CDT, 2 hours 57 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 14, 11:27 PM CDT, 1 hour 14 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 15, 12:07 AM CDT, 34 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 15, 12:31 AM CDT, 10 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:02 PM CDTSevere Thunderstorm WarningGIDDawson, Gosper58 min
Jul 14, 7:48 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson, Gosper, Kearney, Phelps, Sherman and 1 more42 min
Jul 14, 8:29 PM CDTSevere Thunderstorm WarningGIDAdams, Buffalo, Hall, Howard, Kearney, Phelps and 1 more30 min
Jul 14, 11:54 PM CDTAreal Flood AdvisoryGIDDawson4 hr
Jul 15, 3:45 AM CDTSevere Thunderstorm WarningGIDHamilton, Merrick, Nance, Polk, York60 min
Jul 15, 4:51 AM CDTHigh Wind WarningGIDFillmore, Polk, York93 min
Jul 15, 6:16 PM CDTSevere Thunderstorm WarningGIDGreeley, Hall, Howard, Valley46 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008Every severe thunderstorm warning in 2008

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.