Alert archive / Wyoming / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 103, NWS Cheyenne, WY

July 25, 1996Converse County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 25, 1996, 7:45 PM MDT for Converse County, Wyoming. It was in force for 45 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 25, 1996, 7:45 PM MDT (01:45 UTC)
Expired: Jul 25, 1996, 8:30 PM MDT
In force: 45 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

County Converse County, WY

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.8 hours before the alert went out and 394 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: 353 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 2818 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 53 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 severe thunderstorm 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, Jul 25, 3:00 PM MDT, 4 hours 45 minutes before

WYZ067>070-252200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
300 PM MDT THU JUL 25 1996

...A FEW STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHEAST WYOMING AT
255 PM...

THE STRONGEST STORM AT 255 PM WAS LOCATED ABOUT 25 MILES SOUTHWEST OF
TORRINGTON IN SOUTHERN GOSHEN COUNTY...OR ABOUT 5 TO 15 MILES WEST OF
LA GRANGE.  A FEW MUCH WEAKER STORMS WERE SCATTERED ABOUT SOUTHERN
PLATTE AND PARTS OF LARAMIE COUNTY.  ALL STORMS WERE MOVING EAST OR
SOUTHEAST AT 20 MPH.

PEOPLE IN SOUTHERN GOSHEN COUNTY SHOULD BE READY TO MOVE INDOORS
IF THREATENING WEATHER APPROACHES.

WCJIN-WYSE

JAD

Special weather statement, Jul 25, 4:12 PM MDT, 3 hours 33 minutes before

WYZ066-069-252300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
410 PM MDT THU JUL 25 1996

AT 400 PM MDT...DOPPLER INDICATED A STRONG THUNDERSTORM 20 MILES
NORTH NORTHWEST OF LARAMIE IN ALBANY COUNTY WYOMING.  THE STORM
WAS MOVING SOUTH SOUTHEAST AT 20 MILES AN HOUR.  THE STORM WILL PASS
6 MILES WEST OF HORSE CREEK AT THE WEST EDGE OF LARAMIE COUNTY
BY 5 PM.

SMALL HAIL...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS
CAN BE EXPECTED FROM THIS STORM UNTIL 5 PM.

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL
9 PM MDT.

WCJIN-WYSE
PAL

Special weather statement, Jul 25, 5:52 PM MDT, 1 hour 53 minutes before

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Local storm report, Jul 25, 6:15 PM MDT, 1 hour 30 minutes before

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Special weather statement, Jul 25, 6:20 PM MDT, 1 hour 25 minutes before

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<head>
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  <title>Service Notice</title>
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</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.
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Special weather statement, Jul 25, 6:38 PM MDT, 1 hour 7 minutes before

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</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.
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 4:50 PM MDT	Tornado Warning	CYS	Kimball	25 min
Jul 26, 5:15 PM MDT	Severe Thunderstorm Warning	CYS	Kimball	30 min
Jul 26, 5:41 PM MDT	Severe Thunderstorm Warning	CYS	Kimball	34 min
Jul 26, 3:59 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	61 min
Jul 26, 4:14 PM MDT	Tornado Warning	CYS	Laramie	46 min
Jul 26, 4:22 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	38 min
Jul 26, 4:32 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	43 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 1996 Every severe thunderstorm warning in 1996

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.