Alert archive / Montana / Flash Flood Warnings in 2019
Flash Flood Warning 10, NWS Billings, MT
NWS Billings, MT issued this flash flood warning at Jul 8, 2019, 8:44 PM MDT for Carter County, Fallon County, Montana. It was in force for 6 hr. 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 8, 2019, 8:44 PM MDT (02:44 UTC)
- Expired
- Jul 9, 2019, 2:45 AM MDT
- In force
- 6 hr
- Issued by
- NWS Billings, MT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carter County, MT, Fallon County, MT
The radar
The Rapid City radar (KUDX), 238 km from the middle of the area, began a volume at 02:43 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, 2.7 hours before the alert went out and 305 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
- 1 J/kg
- Mixed-layer CIN
- -584 J/kg
- Mixed-layer LCL
- 1479 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Billings, MT wrote its last area forecast discussion before this flash flood warning went out at Jul 8, 8:34 PM MDT, 10 minutes earlier.
Area forecast discussion, Jul 8, 8:34 PM MDT, 10 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>Hazardous weather outlook, Jul 8, 5:56 PM MDT, 2 hours 48 minutes before
Hazardous Weather Outlook National Weather Service Billings MT 556 PM MDT Mon Jul 8 2019 MTZ028>042-056>058-063>068-WYZ098-099-090100- Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer- Fallon-Northern Stillwater-Yellowstone-Powder River-Carter- Southern Big Horn-Eastern Carbon-Northern Park- Northern Sweet Grass-Golden Valley-Red Lodge Foothills- Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley- Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains- Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills- 556 PM MDT Mon Jul 8 2019 This Hazardous Weather Outlook is for portions of central Montana...south central Montana...southeast Montana and north central Wyoming. * WHAT...Possibility of severe thunderstorms. * WHERE...Southeast Montana. * WHEN...This evening. * ADDITIONAL DETAILS...Severe thunderstorms capable of producing large hail, damaging winds and very heavy rainfall, are possible this afternoon and evening. Be prepared if you have outdoor plans. * ADDITIONAL HAZARD CONCERNS...Very heavy rainfall could cause flash flooding. The highest risk of torrential rainfall will be east of a line from Hysham to Fort Smith. Do not attempt to cross a flooded roadway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Hazardous Weather Outlook is issued when hazardous weather could impact the region within the next week. Be sure to stay tuned for future updates as locations, timing, and impacts could change. Begin preparations to mitigate any impacts that could result from the hazardous weather. &&
In the hours before
Special weather statement, Jul 8, 8:05 PM MDT, 39 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, Jul 8, 8:16 PM MDT, 28 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 8, 8:20 PM MDT, 24 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 8, 8:22 PM MDT, 22 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, Jul 8, 8:28 PM MDT, 16 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 8, 8:43 PM MDT, 1 minute 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 Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 6:09 PM MDT | Special Weather Statement | BYZ | Rosebud | 51 min |
| Jul 8, 6:23 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 52 min |
| Jul 8, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 39 min |
| Jul 8, 6:31 PM MDT | Special Weather Statement | BYZ | Carter | 44 min |
| Jul 8, 7:12 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jul 8, 7:13 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 62 min |
| Jul 8, 7:17 PM MDT | Flash Flood Warning | BYZ | Carter | 6 hr |
| Jul 8, 7:37 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Powder River | 38 min |
| Jul 8, 8:05 PM MDT | Special Weather Statement | BYZ | Powder River | 40 min |
| Jul 8, 8:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 61 min |
| Jul 8, 8:16 PM MDT | Special Weather Statement | BYZ | Custer | 44 min |
| Jul 8, 8:21 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 38 min |
| Jul 8, 8:28 PM MDT | Special Weather Statement | BYZ | Powder River | 32 min |
| Jul 8, 8:50 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 40 min |
| Jul 8, 8:59 PM MDT | Special Weather Statement | BYZ | Fallon | 16 min |
| Jul 8, 9:12 PM MDT | Special Weather Statement | BYZ | Fallon | 48 min |
| Jul 8, 9:15 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 60 min |
| Jul 8, 10:10 PM MDT | Special Weather Statement | BYZ | Fallon | 50 min |
| Jul 8, 11:01 PM MDT | Special Weather Statement | BYZ | Rosebud | 119 min |
| Jul 8, 11:09 PM MDT | Special Weather Statement | BYZ | Fallon | 51 min |
| Jul 9, 12:50 AM MDT | Special Weather Statement | BYZ | Fallon | 55 min |
| Jul 9, 11:29 AM MDT | Special Weather Statement | BYZ | Carbon | 46 min |
| Jul 9, 11:32 AM MDT | Special Weather Statement | BYZ | Yellowstone | 43 min |
| Jul 9, 12:50 PM MDT | Special Weather Statement | BYZ | Yellowstone | 40 min |
| Jul 9, 1:35 PM MDT | Special Weather Statement | BYZ | 40 min | |
| Jul 9, 2:57 PM MDT | Special Weather Statement | BYZ | Big Horn | 33 min |
| Jul 8, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 45 min |
| Jul 8, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 53 min |
| Jul 8, 7:18 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 42 min |
Nearby
Flash Flood Warnings in Montana, 2019Every flash flood warning in 2019
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.