Alert archive / Colorado / Flash Flood Watches in 2013

Flash Flood Watch 20, NWS Pueblo, CO

September 14, 2013El Paso County, Fremont County, Teller County, Colorado

NWS Pueblo, CO issued this flash flood watch at Sep 14, 2013, 12:51 PM MDT for El Paso County, Fremont County, Teller County, Colorado. It took effect at Sep 15, 2013, 6:00 AM MDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 2013, 12:51 PM MDT (18:51 UTC)
In effect from
Sep 15, 2013, 6:00 AM MDT
Expired
Sep 15, 2013, 11:46 PM MDT
In force
18 hr
Issued by
NWS Pueblo, CO
Flood severity
None

Counties El Paso County, CO, Fremont County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 18:53 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

Denver, CO (KDEN), launched 12:00Z, 6.9 hours before the alert went out and 201 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, Denver, CO at 12:00Z on 2013-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2013-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.193958Sfc1 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
449 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this flash flood watch went out at Sep 14, 11:17 AM MDT, 1 hour 34 minutes earlier.

Area forecast discussion, Sep 14, 11:17 AM MDT, 1 hour 34 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, Sep 14, 11:23 AM MDT, 1 hour 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PUEBLO CO
1123 AM MDT SAT SEP 14 2013

COZ058>089-093>099-151730-
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FT-
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
SAGUACHE COUNTY WEST OF CONTINENTAL DIVIDE BELOW 10000 FT-
SAGUACHE COUNTY EAST OF CONTINENTAL DIVIDE BELOW 10000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
UPPER RIO GRANDE VALLEY/EASTERN SAN JUAN MOUNTAINS BELOW 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT-
ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT-
SOUTHERN SAN LUIS VALLEY-
NORTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 8500 AND 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 7500 AND 11000 FT-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
NORTHWESTERN FREMONT COUNTY ABOVE 8500 FT-
WESTERN/CENTRAL FREMONT COUNTY BELOW 8500 FT-
WET MOUNTAIN VALLEY BELOW 8500 FEET-
WET MOUNTAINS BETWEEN 6300 AND 10000 FT-
WET MOUNTAINS ABOVE 10000 FT-
TELLER COUNTY/RAMPART RANGE ABOVE 7500 FT/PIKES PEAK BETWEEN
7500 AND 11000 FT-PIKES PEAK ABOVE 11000 FT-
CANON CITY VICINITY/EASTERN FREMONT COUNTY-
NORTHERN EL PASO COUNTY/MONUMENT RIDGE/RAMPART RANGE BELOW
7500 FT-
COLORADO SPRINGS VICINITY/SOUTHERN EL PASO COUNTY/RAMPART RANGE
BELOW 7400 FT-PUEBLO AND VICINITY/PUEBLO COUNTY BELOW 6300 FT-
WALSENBURG VICINITY/UPPER HUERFANO RIVER BASIN BELOW 7500 FT-
TRINIDAD VICINITY/WESTERN LAS ANIMAS COUNTY BELOW 7500 FT-
CROWLEY COUNTY-LA JUNTA VICINITY/OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-WESTERN KIOWA COUNTY-
EASTERN KIOWA COUNTY-LAS ANIMAS VICINITY/BENT COUNTY-
LAMAR VICINITY/PROWERS COUNTY-SPRINGFIELD VICINITY/BACA COUNTY-
1123 AM MDT SAT SEP 14 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL...EAST
CENTRAL...SOUTH CENTRAL AND SOUTHEAST COLORADO.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON AND EVENING. LOCALLY HEAVY RAIN SHOWERS WILL BE POSSIBLE
WITH THESE STORMS. IF ONE OF THESE SHOWERS HITS A BURN SCAR...RUNOFF
PROBLEMS COULD OCCUR...ESPECIALLY SINCE SOILS ARE SATURATED FROM
RECENT HEAVY RAINS. OTHER STORM THREATS TODAY WILL INCLUDE LIGHTNING
AND GUSTY WINDS. SNOW SHOWERS WILL BE POSSIBLE IN THE MOUNTAINS
ABOVE 12000 FEET.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COOL FRONT WILL MOVE THROUGH EASTERN COLORADO SUNDAY MORNING BRINGING
FAIRLY WIDESPREAD SHOWERS AND THUNDERSTORMS TO THE EASTERN MOUNTAINS
AND PLAINS AND SCATTERED ACTIVITY TO THE WESTERN MOUNTAINS AND HIGH
VALLEYS. ADDITIONAL RAINFALL AMOUNTS OF 0.25 TO 1.00 INCHES LOOK
POSSIBLE SUNDAY INTO SUNDAY EVENING BASED ON THE LATEST MODEL
DATA.

WHILE THIS AMOUNT OF RAIN IS JUST A SMALL FRACTION OF WHAT OCCURRED
OVER THE AREA ON WEDNESDAY AND THURSDAY...IT MAY STILL BE ENOUGH
TO TRIGGER SOME LOCALIZED FLOODING PROBLEMS GIVEN THE CURRENT
STATE OF SOIL SATURATION ACROSS THE AREA.

FOLKS ARE URGED TO REMAIN WEATHER ALERT ON SUNDAY AND BE PREPARED
TO TAKE ACTION IF NECESSARY. THIS HOLDS ESPECIALLY TRUE FOR THOSE
FOLKS NEAR AREA BURN SCARS...WHERE THE THREAT IS LIKELY GREATEST.

ON MONDAY...DRIER AIR WILL BEGIN FILTERING INTO THE REGION. THERE
WILL STILL BE ENOUGH MOISTURE AROUND FOR A FEW AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS...BUT THE POTENTIAL FOR HEAVY
RAIN WILL BE VERY SPOTTY.

FOR THE REST OF THE WEEK...A GENERAL DRYING TREND WILL CONTINUE.
THERE WILL STILL BE A FEW AFTERNOON AND EVENING THUNDERSTORMS
EACH DAY...BUT MOST STORMS WILL BE CONFINED TO THE MOUNTAIN AREAS
AND HAVE LITTLE POTENTIAL FOR HEAVY RAIN. PRIMARY STORM THREATS
DURING THIS PERIOD WILL BE LIGHTING AND GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...

WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
POSSIBLE THIS AFTERNOON AND EVENING.

50/50

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 1:28 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Sep 14, 4:01 PM MDTAreal Flood WarningPUBEl Paso6 hr
Sep 14, 5:32 PM MDTAreal Flood AdvisoryPUBFremont3 hr

Nearby

Flash Flood Watches in Colorado, 2013Every flash flood watch in 2013

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.