Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 55, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 23, 1993, 8:53 PM MDT for Washington County, Colorado. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1993, 8:53 PM MDT (02:53 UTC)
- Expired
- Jun 23, 1993, 9:30 PM MDT
- In force
- 37 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 2.9 hours before the alert went out and 11 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
- NaN m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.4
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, Jun 23, 6:40 PM MDT, 2 hours 13 minutes before
COZ012-240100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT WED JUN 23 1993 ...HEAVY RAIN IN MORGAN COUNTY... AT 635 PM MDT HEAVY RAIN WAS REPORTED IN MORGAN COUNTY IN THE WESTERN END OF THE TOWN OF BRUSH COLORADO. 1/2 INCH OF RAIN HAS FALLEN IN 15 MINUTES AND HAS CAUSED LOCAL STREET FLOODING. RADAR AND SATELLITE PICTURES SHOW A LINE OF THUNDERSTORMS EXTENDING FROM NEBRASKA ACROSS THE NORTHEAST CORNER OF COLORADO THROUGH SEDGWICK COUNTY TO EXTREME EASTERN ADAMS COUNTY. THE STRONGEST OF THESE THUNDERSTORMS WERE IN SEDGWICK...LOGAN AND MORGAN COUNTIES. PEOPLE IN NORTHEAST COLORADO SHOULD MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER IS IN YOUR AREA. REMEMBER A TORNADO WATCH IS IN EFFECT FOR NORTHEAST COLORADO LATE THIS EVENING. MOTORISTS DRIVE WITH CAUTION IF YOU ENCOUNTER RAIN. LOCALIZED FLOODING OF ROADS IS POSSIBLE ESPECIALLY IN LOW LYING AREAS. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. GCF
Special weather statement, Jun 23, 6:41 PM MDT, 2 hours 12 minutes before
COZ012-240100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT WED JUN 23 1993 ...HEAVY RAIN IN MORGAN COUNTY... AT 635 PM MDT HEAVY RAIN WAS REPORTED IN MORGAN COUNTY IN THE WESTERN END OF THE TOWN OF BRUSH COLORADO. 1/2 INCH OF RAIN HAS FALLEN IN 15 MINUTES AND HAS CAUSED LOCAL STREET FLOODING. RADAR AND SATELLITE PICTURES SHOW A LINE OF THUNDERSTORMS EXTENDING FROM NEBRASKA ACROSS THE NORTHEAST CORNER OF COLORADO THROUGH SEDGWICK COUNTY TO EXTREME EASTERN ADAMS COUNTY. THE STRONGEST OF THESE THUNDERSTORMS WERE IN SEDGWICK...LOGAN AND MORGAN COUNTIES. PEOPLE IN NORTHEAST COLORADO SHOULD MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER IS IN YOUR AREA. REMEMBER A TORNADO WATCH IS IN EFFECT FOR NORTHEAST COLORADO LATE THIS EVENING. MOTORISTS DRIVE WITH CAUTION IF YOU ENCOUNTER RAIN. LOCALIZED FLOODING OF ROADS IS POSSIBLE ESPECIALLY IN LOW LYING AREAS. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. GCF
Special weather statement, Jun 23, 8:15 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>Special weather statement, Jun 23, 8:18 PM MDT, 35 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>Special weather statement, Jun 23, 8:20 PM MDT, 33 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>Special weather statement, Jun 23, 8:24 PM MDT, 29 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 Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 30 min |
| Jun 23, 6:17 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 28 min |
| Jun 23, 6:50 PM MDT | Tornado Warning | BOU | Washington | 25 min |
| Jun 23, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Yuma | 37 min |
| Jun 23, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jun 23, 7:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Jun 23, 7:31 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 29 min |
| Jun 23, 8:03 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 27 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 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.