WU API stating 'Station: OFFLINE' when it's not

It's been getting significantly worse over the last few days... I generally pull data every 10 minutes & report it to pws.com...  Now I'm getting actual data maybe once or twice every hour.  The remaining time I get an error stating 'Station: OFFLINE' which I might believe if the WU site for my station didn't have actual data for 5 minute increments consistently throughout this time...  During the timeframe of 12:00pm to 1:00pm today, for example, I got 5 of the 'Station: OFFLINE' messages and only one actual data pull. The station ID is KALMBIRMI150 -- the table data shows that my station is reporting to the WU site successfully every 5 minutes

This is the reponse I get to my api query more often than not these past two days:

{
  "response": {
  "version":"0.1",
  "termsofService":"http://www.wunderground.com/weather/api/d/terms.html",
  "features": {
  "conditions": 1
  }
		,
	"error": {
		"type": "Station:OFFLINE"
	}
	}
}

This is the reponse I get on a good return: {

  "response": {
  "version":"0.1",
  "termsofService":"http://www.wunderground.com/weather/api/d/terms.html",
  "features": {
  "conditions": 1
  }
	}
  ,	"current_observation": {
		"image": {
		"url":"http://icons.wxug.com/graphics/wu2/logo_130x80.png",
		"title":"Weather Underground",
		"link":"http://www.wunderground.com"
		},
		"display_location": {
		"full":"Birmingham, AL",
		"city":"Birmingham",
		"state":"AL",
		"state_name":"Alabama",
		"country":"US",
		"country_iso3166":"US",
		"zip":"35229",
		"magic":"1",
		"wmo":"99999",
		"latitude":"33.475819",
		"longitude":"-86.783104",
		"elevation":"219.2"
		},
		"observation_location": {
		"full":"Hollywood, Birmingham, Alabama",
		"city":"Hollywood, Birmingham",
		"state":"Alabama",
		"country":"US",
		"country_iso3166":"US",
		"latitude":"33.475819",
		"longitude":"-86.783104",
		"elevation":"826 ft"
		},
		"estimated": {
		},
		"station_id":"KALBIRMI150",
		"observation_time":"Last Updated on February 18, 1:33 PM CST",
		"observation_time_rfc822":"Sun, 18 Feb 2018 13:33:36 -0600",
		"observation_epoch":"1518982416",
		"local_time_rfc822":"Sun, 18 Feb 2018 13:33:36 -0600",
		"local_epoch":"1518982416",
		"local_tz_short":"CST",
		"local_tz_long":"America/Chicago",
		"local_tz_offset":"-0600",
		"weather":"Overcast",
		"temperature_string":"56.8 F (13.8 C)",
		"temp_f":56.8,
		"temp_c":13.8,
		"relative_humidity":"83%",
		"wind_string":"From the SW at 2.0 MPH Gusting to 2.2 MPH",
		"wind_dir":"SW",
		"wind_degrees":219,
		"wind_mph":2.0,
		"wind_gust_mph":"2.2",
		"wind_kph":3.2,
		"wind_gust_kph":"3.5",
		"pressure_mb":"1024",
		"pressure_in":"30.24",
		"pressure_trend":"-",
		"dewpoint_string":"52 F (11 C)",
		"dewpoint_f":52,
		"dewpoint_c":11,
		"heat_index_string":"NA",
		"heat_index_f":"NA",
		"heat_index_c":"NA",
		"windchill_string":"NA",
		"windchill_f":"NA",
		"windchill_c":"NA",
		"feelslike_string":"56.8 F (13.8 C)",
		"feelslike_f":"56.8",
		"feelslike_c":"13.8",
		"visibility_mi":"10.0",
		"visibility_km":"16.1",
		"solarradiation":"68",
		"UV":"0.0","precip_1hr_string":"0.00 in ( 0 mm)",
		"precip_1hr_in":"0.00",
		"precip_1hr_metric":" 0",
		"precip_today_string":"0.00 in (0 mm)",
		"precip_today_in":"0.00",
		"precip_today_metric":"0",
		"icon":"cloudy",
		"icon_url":"http://icons.wxug.com/i/c/k/cloudy.gif",
		"forecast_url":"http://www.wunderground.com/US/AL/Birmingham.html",
		"history_url":"http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=KALBIRMI150",
		"ob_url":"http://www.wunderground.com/cgi-bin/findweather/getForecast?query=33.475819,-86.783104",
		"nowcast":""
	}