Alert archive / North Dakota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 203, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 4, 2007, 6:13 PM MDT for Grant County, Sioux County, North Dakota. It was in force for 47 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 4, 2007, 6:13 PM MDT (00:13 UTC)
- Expired
- Jul 4, 2007, 7:00 PM MDT
- In force
- 47 min
- Issued by
- NWS Bismarck, ND
- Area
- Counties, with a storm outline in the text
Counties Grant County, ND, Sioux County, ND
The radar
The Bismarck radar (KBIS), 74 km from the middle of the area, began a volume at 00:15 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.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.2 hours before the alert went out and 77 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2612 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 1:46 PM MDT, 4 hours 27 minutes earlier.
Area forecast discussion, Jul 4, 1:46 PM MDT, 4 hours 27 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 246 PM CDT WED JUL 4 2007 .SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT... MODELS IN PRETTY GOOD AGREEMENT WITH BROAD SCALE FEATURES HOWEVER DESPITE THE CU FIELDS DEVELOPING FOR EASTERN MONTANA AND SOUTHWEST NORTH DAKOTA...QPF FIELDS GENERATED BY NAM SEEM OVERDONE. WILL USE GFS FOR GRIDS. WARM TEMPERATURES ARE AGAIN MAIN FEATURE. RIDGE CONTINUED TO BUILD OVER NORTHERN ROCKIES AND NUMERICAL GUIDANCE INSISTS THAT TEMPERATURES FOR FRIDAY AND SATURDAY WILL REACH INTO THE MIDDLE 90S CENTRAL AND UPPER 90S WEST. HAVE USED LIMIT TOOL TO KEEP MAX TEMPERATURES GIRDS 2 DIGITS ONLY FOR NOW. ENSEMBLE GFS AND MOST OTHER MODELS NOW A TAD FASTER WITH LEE TROUGH DEVELOPING IN LEE OF NORTHERN CANADIAN ROCKIES MOVING SOUTHEAST FASTER THAN YESTERDAYS MODELS EXCEPT THE 12Z GFS SO EXPECT THE FRONTAL SYSTEM THROUGH COUNTY WARNING AREA BY SATURDAY AFTERNOON. EXPECT BEST CHANCE OF PRECIPITATION TO BE ALONG FRONT AND PAST AS WARM SECTOR SHOULD BE STRONGLY CAPPED WITH COOLER TEMPERATURES ALOFT BEHIND FRONT AS HEIGHTS FALL THROUGH THE EVENING HOURS. .LONG TERM...SUNDAY THROUGH WEDNESDAY... COOLER WEATHER RETURNS TO THE NORTHERN PLAINS THROUGHOUT THE EXTENDED PERIOD AS THE UPPER LEVEL RIDGE IS REPLACED WITH A HUDSON BAY LOW ALONG WITH NORTHWEST FLOW ALOFT OVER THE FORECAST AREA. TEMPERATURES START OUT SUNDAY AND MONDAY NEAR SEASONAL...BUT THEN COOL TO SLIGHTLY BELOW SEASONAL TUESDAY AND WEDNESDAY AS A COOL CANADIAN HIGH PRESSURE CENTER PUSHES SOUTH INTO THE REGION. KEPT IN SLIGHT CHANCE OF THUNDERSTORMS SUNDAY AND SUNDAY NIGHT AS THE SHORT TERM PERIOD SURFACE TROUGH MAKES ITS WAY SOUTH THROUGH THE NORTHERN PLAINS. LEFT THE REMAINDER OF THE EXTENDED DRY WITH HARD TO TIME AND PLACE EMBEDDED SHORT WAVES ROTATING AROUND THE HUDSON BAY LOW AND THROUGH THE UPPER MIDWEST. && .AVIATION... AFTERNOON CU DEVELOPING OVER THE WEST CENTRAL AND SOUTHWEST ALONG WITH A FEW ELEVATED SHOWERS. SKIES SHOULD CLEAR EARLY THIS EVENING AS SURFACE TEMPERATURES COOL. VFR CIGS AND VIS EXPECTED OVER THE NEXT 24 HOURS. && .BIS WATCHES/WARNINGS/ADVISORIES... NONE. && HAW/NJH
Hazardous weather outlook, Jul 4, 3:03 AM MDT, 15 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 403 AM CDT WED JUL 4 2007 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-050915- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS- FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER- STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN- LA MOURE-MCINTOSH-DICKEY- 403 AM CDT WED JUL 4 2007 /303 AM MDT WED JUL 4 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND WESTERN NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON AND EVENING AS A WEAK SURFACE TROUGH MOVES ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF THUNDERSTORMS SATURDAY NIGHT AND SUNDAY AS A COLD FRONT SLIDES SLOW SOUTHEAST ACROSS THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Local storm report, Jul 4, 5:35 PM MDT, 38 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>Local storm report, Jul 4, 5:43 PM MDT, 30 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>Nearby
Severe Thunderstorm Warnings in North Dakota, 2007Every severe thunderstorm warning in 2007
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.