Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 117, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Sep 15, 1994, 12:28 AM CDT for Bottineau County, North Dakota. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Sep 15, 1994, 12:28 AM CDT (05:28 UTC)
- Expired
- Sep 15, 1994, 12:55 AM CDT
- In force
- 27 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Bottineau County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 5.5 hours before the alert went out and 225 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.
- Mixed-layer CAPE
- 2312 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
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
Local storm report, Sep 14, 10:57 PM CDT, 1 hour 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
1045 PM CDT WED SEP 14 1994
TIME EVENT LOCATION
645 PM MDT MOSTLY PEA SIZE HAIL 10 MILES WEST OF FAIRFIELD
BUT A FEW STONES AS NORTHERN BILLINGS COUNTY
BIG AS A DIME. LASTED
5 TO 10 MINUTES.
NO DAMAGE.
JP MARTINSpecial weather statement, Sep 14, 11:00 PM CDT, 1 hour 28 minutes before
NDZ001>053-MNZ001>003-150130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1100 PM CDT WED SEP 14 1994 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MORTON COUNTY HAS EXPIRED... ...THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA UNTIL 1 AM CDT... THE SEVERE THUNDERSTORM IN WESTERN MORTON COUNTY HAS WEAKENED AND THE SEVERE THUNDERSTORM WARNING HAS EXPIRED. AT 1044 PM CDT... HEBRON REPORTED PEA SIZE HAIL AND VERY HEAVY RAIN. THE OBSERVER AT HEBRON ALSO REPORTED A LITTLE MORE THAN AN INCH OF RAIN IN 20 MINUTES. ELSEWHERE...A NARROW BAND OF THUNDERSTORMS 20 MILES WIDE EXTENDED FROM JUST WEST OF MINOT TO THE STORM IN WESTERN MORTON COUNTY. THIS BAND OF THUNDERSTORMS WAS MOVING EAST 25 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD FIND SHELTER INDOORS. LM
Special weather statement, Sep 14, 11:03 PM CDT, 1 hour 25 minutes before
NDZ001>053-MNZ001>003-150130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1100 PM CDT WED SEP 14 1994 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MORTON COUNTY HAS EXPIRED... ...THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA UNTIL 1 AM CDT... THE SEVERE THUNDERSTORM IN WESTERN MORTON COUNTY HAS WEAKENED AND THE SEVERE THUNDERSTORM WARNING HAS EXPIRED. AT 1044 PM CDT... HEBRON REPORTED PEA SIZE HAIL AND VERY HEAVY RAIN. THE OBSERVER AT HEBRON ALSO REPORTED A LITTLE MORE THAN AN INCH OF RAIN IN 20 MINUTES. ELSEWHERE...A NARROW BAND OF THUNDERSTORMS 20 MILES WIDE EXTENDED FROM JUST WEST OF MINOT TO THE STORM IN WESTERN MORTON COUNTY. THIS BAND OF THUNDERSTORMS WAS MOVING EAST 25 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD FIND SHELTER INDOORS. LM
Special weather statement, Sep 14, 11:34 PM CDT, 54 minutes before
NDZ001-002-009-010-017-018-031-032-150540- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 1135 PM CDT (1035 PM MDT) WED SEP 14 1994 ...THUNDERSTORMS WERE STARTING TO DECREASE IN INTENSITY OVER WESTERN NORTH DAKOTA... ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 1 AM CDT FOR WESTERN NORTH DAKOTA... AT 1130 PM CDT...1030 MOUNTAIN...THUNDERSTORMS WERE SCATTERED OVER WESTERN NORTH DAKOTA AND NORTHEAST MONTANA. THE STRONGEST STORMS WERE FROM 25 MILES WEST TO 15 MILES SOUTHWEST OF WILLISTON...ALONG THE MONTANA/NORTH DAKOTA BORDER. OTHER THUNDERSTORMS WERE ALONG THE NORTH DAKOTA/SASKATCHEWAN BORDER...SCATTERED BETWEEN FORTUNA AND BOWBELLS. THE THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 25 MILES AN HOUR. THESE THUNDERSTORMS WILL PRODUCE DEADLY LIGHTNING AND A BRIEF PERIOD OF HEAVY RAIN. SMALL HAIL IS ALSO POSSIBLE. JP MARTIN
Local storm report, Sep 14, 11:55 PM CDT, 33 minutes before
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</html>Local storm report, Sep 15, 12:02 AM CDT, 26 minutes before
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<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.
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 7:15 PM CDT | Severe Thunderstorm Warning | BIS | Billings | 60 min |
| Sep 14, 7:43 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 20 min |
| Sep 14, 7:57 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 63 min |
| Sep 14, 9:16 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 44 min |
| Sep 14, 9:29 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 61 min |
| Sep 14, 10:09 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 21 min |
| Sep 14, 10:09 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 51 min |
| Sep 14, 11:35 PM CDT | Tornado Warning | BIS | Ward | 40 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994
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.