Alert archive / Colorado / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 102, NWS Goodland, KS

June 30, 1998Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 30, 1998, 12:40 AM MDT for Kit Carson County, Colorado. It was in force for 65 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: Jun 30, 1998, 12:40 AM MDT (06:40 UTC)
Expired: Jun 30, 1998, 1:45 AM MDT
In force: 65 min
Issued by: NWS Goodland, KS
Area: Whole counties

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 06:40 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 (KDNR), launched 00:00Z, 6.7 hours before the alert went out and 83 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 36 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 3730 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 159 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.

NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 29, 2:42 PM MDT, 9 hours 58 minutes earlier.

Area forecast discussion, Jun 29, 2:42 PM MDT, 9 hours 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
242 PM MDT (342 PM CDT) MON JUN 29 1998

...PLENTY OF CHALLENGES WITH T-STORM CHANCES ESPECIALLY TONIGHT...

TROPICAL CONNECTION INTO REGION VISIBLE ON SATELLITE THIS AFTN. VERY
BOUYANT AIRMASS WITH SFC DEWPOINTS IN 60S BACK INTO FAR E COLORADO.
MODELS NOT QUITE AS WARM WITH TEMPS ALOFT COMPARED TO PREVIOUS RUNS
AND CAP ERODING PER ADAP. MODELS KEEP UPPER LVL JET OVER N NEBRASKA
INTO IOWA WITH NE PARTS OF GLD CWA FALLING UNDER FAVORABLE RR
QUADRANT THIS EVE. THETA-E RIDGE FCST TO EXTEND BACK INTO NW KANSAS
TIL 06Z SO STORMS COULD FIRE ALONG N AXIS WHERE CAPES CURRENTLY
RUNNING 3000-4500 J/KG. AS A MATTER OF FACT...SPC JUST ISSUED WATCH
FOR THIS AREA.

MODELS TAKE SFC BOUNDARY AND HIEST MSTR VALUES E OF CWA. HOWEVER...
MID LVL FRONT SLIDES THRU CWA WITH Q-VECTOR CONVERGENCE IN THE
700/500MB LAYER SPCLY OVER E. WL KEEP SMALL MENTION OF TSTMS
OVERNIGHT IN E ZONES BUT END ANY MENTION OUT W AS H7 RIDGE BUILDS AND
JET EXITS REGION. WITH HI DEWPOINTS AND ELY SFC WINDS...CANNOT RULE
OUT AREAS OF FOG LATER TONIGHT.

ETA/NGM DIFFER WRT TO STATE OF ATMOSPHERE TUESDAY AFTN/EVE. HINT OF A
SHORTWAVE IN WNW FLOW ALOFT BY TUESDAY EVE. NGM MUCH MORE UNSTABLE
AND MOIST OVER CWA. WITH ELY MOIST LOW LVL FLOW AND COOLER TEMPS
ALOFT...CANNOT RULE OUT TSTMS. HOWEVER...TIMING LOOKS TO BE CLOSER
TO 3RD PERIOD EVENT. WL INCLUDE LOW POPS ACROSS NW HALF TUE AFTN...
AND WL LET NEXT 2 SHIFTS TAKE A CLOSER LOOK FOR TUESDAY EVE/NGT.

REGARDLESS...LOOKS TO BE COOLER TUESDAY ACROSS FA THEN WAA PATTERN
BACK FOR WEDNESDAY. BARRING LOTS OF FOG OR STRATUS WEDNESDAY
MORNING...TEMPS SHOULD BE A BIT WARMER FOR WED. WL STAY CLOSE TO
MOS GUIDANCE TEMPS IN 1ST AND 3RD PERIODS.

.GLD...TORNADO WATCH UNTIL 9 PM MDT (10 PM CDT) FOR NEZ081 AND
       KSZ003>004-016.

KPL

In the hours before

Local storm report, Jun 29, 8:05 PM MDT, 4 hours 35 minutes before

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Special weather statement, Jun 29, 8:11 PM MDT, 4 hours 29 minutes before

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<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>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 6:43 PM MDT	Severe Thunderstorm Warning	GLD	Thomas	47 min
Jun 30, 5:06 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	34 min
Jun 30, 5:38 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	62 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1998 Every severe thunderstorm warning in 1998

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.