Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 9, NWS Hastings, NE

April 11, 1991Franklin County, Webster County, Nebraska

NWS Hastings, NE issued this tornado warning at Apr 11, 1991, 10:40 PM CDT for Franklin County, Webster County, Nebraska. It was in force for 35 min.

The area

The counties it named.

The facts

Issued: Apr 11, 1991, 10:40 PM CDT (03:40 UTC)
Expired: Apr 11, 1991, 11:15 PM CDT
In force: 35 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Franklin County, NE, Webster County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.7 hours before the alert went out and 190 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 220 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 11, 5:45 PM CDT, 4 hours 55 minutes before

NEZ008-013>015-017>019-112145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
440 PM CDT THU APR 11 1991

...TORNADO WATCH FOR SOUTHWEST AND SOUTHCENTRAL NEBRASKA TILL 10 PM
   CDT...

AT 435 PM CDT THUNDESTORMS WERE IN AN AREA 50 MILES WIDE FROM NORTH
CENTRAL KANSAS NEAR SMITH CENTER TO LOUP CITY...30 MILES NORTHWEST
OF GRAND ISLAND.

STRONG STORMS WITHIN THIS AREA CONTAIN HEAVY RAIN...DANGEROUS LIGHTNING
STRONG GUSTY WIND gAND A FEW LIKELY CONTAIN PEA TO MARBLE SIZE HAIL.
ONE STRONG THUNDERSTORM WAS NEAR THE KANSAS STATELINE...35 MILES SOUTH
SOUTHWEST OF HASTINGS.  ANOTHER WAS 5 MILES SOUTH OF KEARNEY.

MOVEMENT WAS TO THE NORTH AT 35 MPH.
BW

Local storm report, Apr 11, 10:19 PM CDT, 21 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.

Issued	Product	Office	Counties	Lasted
Apr 11, 7:40 PM CDT	Tornado Warning	GID	Adams	50 min
Apr 11, 7:50 PM CDT	Tornado Warning	GID	Clay, Fillmore	25 min
Apr 11, 8:11 PM CDT	Tornado Warning	GID	Franklin, Kearney, Webster	64 min
Apr 11, 8:11 PM CDT	Tornado Warning	GID	Nuckolls	64 min
Apr 11, 8:14 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Merrick	61 min
Apr 11, 8:31 PM CDT	Tornado Warning	GID	Nuckolls	54 min
Apr 11, 8:31 PM CDT	Tornado Warning	GID	Fillmore, York	59 min
Apr 11, 8:50 PM CDT	Severe Thunderstorm Warning	GID	Adams, Hall	55 min
Apr 11, 9:18 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore	57 min
Apr 11, 9:48 PM CDT	Severe Thunderstorm Warning	GID	Clay, Hamilton	57 min
Apr 11, 10:00 PM CDT	Tornado Warning	GID	Clay, Hamilton	30 min
Apr 11, 10:23 PM CDT	Severe Thunderstorm Warning	GID	Polk, York	67 min
Apr 11, 11:18 PM CDT	Severe Thunderstorm Warning	GID	Polk, York	57 min
Apr 11, 11:56 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hamilton	64 min
Apr 12, 12:50 AM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	55 min
Apr 12, 12:50 AM CDT	Severe Thunderstorm Warning	GID	Clay	55 min
Apr 12, 4:10 PM CDT	Severe Thunderstorm Warning	GID	Adams, Hall, Hamilton	65 min
Apr 12, 4:49 PM CDT	Severe Thunderstorm Warning	GID	Adams, Webster	56 min
Apr 12, 5:22 PM CDT	Tornado Warning	GID	Clay	38 min
Apr 12, 5:38 PM CDT	Tornado Warning	GID	Hamilton	37 min
Apr 12, 6:09 PM CDT	Tornado Warning	GID	Hamilton, Merrick	36 min
Apr 12, 6:18 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hamilton	57 min

Nearby

Tornado Warnings in Nebraska, 1991 Every tornado warning in 1991 Tornadoes in 1991

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.