Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 11, NWS Grand Forks, ND

June 23, 1993Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 23, 1993, 2:02 AM CDT for Beltrami County, Minnesota. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1993, 2:02 AM CDT (07:02 UTC)
Expired
Jun 23, 1993, 3:00 AM CDT
In force
58 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Beltrami County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 7.0 hours before the alert went out and 138 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, International Fa, MN at 00:00Z on 1993-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, International Fa, MN at 00:00Z on 1993-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2050 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
113 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

Local storm report, Jun 22, 10:35 PM CDT, 3 hours 27 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
1035 PM CDT TUE JUN 22 1993

TIME      EVENT
855 PM    VERY HEAVY RAIN AND PEA SIZE HAIL REPORTED AT LAKOTA ND
          REPORTED BY COOPERATIVE OBSERVER.

920 PM    HEAVY RAINS AND STONG WINDS BUT NO HAIL 4 WEST OF HOOPLE
          ND REPORTED BY STATE RADIO.

935 PM    MARBLE SIZED HAIL AND HEAVY RAINS 3 NW LAWTON ND REPORTED
          BY LAW ENFORCEMENT.

938 PM    FUNNEL CLOUD REPORTED BY OBSERVER 3 SW HANNAFORD ND

944 PM    LAW ENFORCEMENT REPORTS TORNADO WEST OF HANNAFORD ND MOVING
          TO THE WEST NORTHWEST.

946 PM    FUNNEL CLOUD 2 WEST NIAGARA ND RELAYED BY GRAND FORKS EOC.

957 PM     DEPUTY SHERIFF REPORTS HEAVY RAINS...PEA TO MARBLE
           SIZED HAIL AT FORDVILLE ND

958 PM     HAM RADIO REPORTED FUNNEL CLOUD AT DAZEY ND

10  PM     FUNNEL CLOUD  REPORTED BY HAM RADIO 10 - 20 WEST
           OF GRAND FORKS AIR FORCE BASE ND

1012 PM    FUNNEL CLOUD REPORTED BY HAM RADIO 5 SW HANNAFORD ND

1017 PM    FUNNEL CLOUD REPORTED BY AIR FORCE PERSONNEL 5 NORTH
           NORTHWEST OF GRAND FORKS AIR FORCE BASE

1025 PM    FUNNEL CLOUD REPORTED BY LAW ENFORCEMENT 2 WEST EMARDO
           NORTH DAKOTA.

1026 PM    HEAVY RAINS AND ESTIMATED 50 MPH WINDS WITH TREES DOWN
           IN ELLENDALE REPORTED BY STATE RADIO

1029 PM    HEAVY RAINS AND PEA SIZE HAIL REPORTED BY LAW ENFORCEMENT
           AT URBANA ND
1028 PM      PEA SIZE HAIL AND A FUNNEL REPORTED BY HAM RADIO
             4 WEST NORTHWOOD ND.
NORDLAND
Local storm report, Jun 22, 11:29 PM CDT, 2 hours 33 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
1130 PM CDT TUE JUN 22 1993

TIME      EVENT
1035 PM   60 MPH WIND REPORTED IN THE FULLERTON AND ELLENDALE AREAS
          OF SOUTHEAST NORTH DAKOTA (DICKEY COUNTY) RELAYED BY STATE
          RADIO.

1047 PM   FUNNEL CLOUDY REPORTED AT NIAGARA NORTH DAKOTA (GRAND FORKS
          COUNTY) RELAYED BY GRAND FORKS EOC.

1100 PM   WEATHER OBSERVER AT MONTPELIER ND (STUTSMAN COUNTY) REPORTED
          1.03 INCHES OF RAIN IN 35 MINUTES...NO WIND OR HAIL.

1106 PM   PEA TO MARBLE SIZE HAIL REPORTED AT VALLEY CITY ND (BARNES
          COUNTY).

1108 PM   WALL CLOUD WITH ROTATION REPORTED BY THE SHERIFF 3 MILES
          WEST OF NORTHWOOD ND (GRAND FORKS COUNTY).
.
1107 PM   OBSERVER AT LITCHVILLE ND (BARNES COUNTY) REPORTED VERY
          RAIN WITH PEA TO MARBLE SIZE HAIL...NO WIND.
SPIES
Local storm report, Jun 22, 11:30 PM CDT, 2 hours 32 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
1130 PM CDT TUE JUN 22 1993

TIME      EVENT
1035 PM   60 MPH WIND REPORTED IN THE FULLERTON AND ELLENDALE AREAS
          OF SOUTHEAST NORTH DAKOTA (DICKEY COUNTY) RELAYED BY STATE
          RADIO.

1047 PM   FUNNEL CLOUDY REPORTED AT NIAGARA NORTH DAKOTA (GRAND FORKS
          COUNTY) RELAYED BY GRAND FORKS EOC.

1100 PM   WEATHER OBSERVER AT MONTPELIER ND (STUTSMAN COUNTY) REPORTED
          1.03 INCHES OF RAIN IN 35 MINUTES...NO WIND OR HAIL.

1106 PM   PEA TO MARBLE SIZE HAIL REPORTED AT VALLEY CITY ND (BARNES
          COUNTY).

1108 PM   WALL CLOUD WITH ROTATION REPORTED BY THE SHERIFF 3 MILES
          WEST OF NORTHWOOD ND (GRAND FORKS COUNTY).
.
1107 PM   OBSERVER AT LITCHVILLE ND (BARNES COUNTY) REPORTED VERY
          RAIN WITH PEA TO MARBLE SIZE HAIL...NO WIND.
SPIES
Special weather statement, Jun 22, 11:39 PM CDT, 2 hours 23 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-230545-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1135 PM CDT TUE JUN 22 1993

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA
AND NORTHWEST MINNESOTA UNTIL 3AM CDT WEDNESDAY MORNING...

AT 1135 PM CDT...A LARGE AREA OF INTENSE THUNDERSTORMS CONTINUED
OVER EASTERN NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND NORTHWEST
MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR
AND WILL BE NEARING THE FARGO/MOORHEAD AREA BY 1230 AM CDT. THESE
THUNDERSTORMS COULD PRODUCE BRIEF VERY HEAVY RAIN...HAIL...GUSTY
WINDS AND FREQUENT LIGHTNING STRIKES. RAINFALL AMOUNTS OF OVER ONE
INCH IS POSSIBLE.

THE STRONGEST THUNDERSTORMS ARE LOCATED JUST SOUTH OF VALLEY CITY
NORTH DAKOTA AND ALONG THE NORTH DAKOTA/SOUTH DAKOTA BORDER
NORTHEAST OF ABERDEEN SOUTH DAKOTA.
^
PERSONS IN AN NEAR THE WATCH AREA AND NEAR ANY OF THESE STRONG AND
INTENSE THUNDERSTORMS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS.

PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AS WELL AS NOAA
WEATHER RADIO FOR LATEST INFORMATION ON THESE STRONG THUNDERSTORMS.
ANDERSEN
Local storm report, Jun 23, 1:20 AM CDT, 42 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, Jun 23, 1:20 AM CDT, 42 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 Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 12:02 AM CDTTornado WarningFGFPolk58 min
Jun 23, 1:03 AM CDTSevere Thunderstorm WarningFGFBecker57 min
Jun 23, 2:02 AM CDTSevere Thunderstorm WarningFGFClearwater34 min
Jun 22, 9:48 PM CDTTornado WarningFGFGriggs57 min
Jun 22, 10:40 PM CDTSevere Thunderstorm WarningFGFDickey65 min
Jun 23, 6:59 PM CDTSevere Thunderstorm WarningFGFSargent61 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993

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.